HA-MIC04
Hearit.AI VoiceRec
Table of Contents
- Introduction
- Specifications
- Quick Start Guide
- Hardware Guide
- Features in Detail
- Firmware
- Support
- Legal
1. Introduction
Your Ultra-Portable AI Voice Recorder
The HA-MIC04 is an ultra-portable AI voice recorder designed for efficiency-driven professionals, journalists, students, and medical practitioners. Its core mission is to reliably capture every clear conversation and rapidly convert it into editable digital text. By providing an extremely lightweight, long-lasting, and user-friendly recording solution, the HA-MIC04 frees users from tedious manual note-taking and transcription tasks. It's the AI evolution of the traditional voice recorder and a dependable tool for boosting personal productivity.
1.1. Core Features Overview
- ✨ AI Voice Interaction: Connect to cloud-based large language models (powered by ChatGPT) for intelligent Q&A and content summarization
- 📝 High-Quality Recording: Real-time audio streaming to the Hearit.AI App—never miss any important details
- 💾 Internal Storage Recording: 1GB SD NAND memory for offline recordings without smartphone (Firmware v1.5.0+)
- 🔗 Multi-Platform Compatibility: Seamlessly connects to iOS and Android devices through the Hearit.AI App
- 🔋 Extended Battery Life: Up to 18 hours of mixed-use operation to meet all-day demands
- 🔄 Smart Mode Switching: Cycle through 4 AI modes with physical button
- 🌍 52+ Language Support: Automatic language detection with comprehensive global coverage
- 🎯 Ultra-Compact Design: Only 36g weight, lightest in its class
1.2. Medical & Veterinary Applications
🏥 Medical Applications
The HA-MIC04 serves as an excellent entry-level solution for medical professionals who need reliable voice recording:
- Cost-Effective Documentation: Ideal for small medical practices or individual practitioners starting with digital voice documentation
- Ultra-Portable Design: At just 36g, it's the lightest option for professionals who prioritize mobility
- Extended Battery Life: 18-hour mixed-use operation ensures all-day reliability without charging concerns
- Basic Integration Ready: Simple API integration for practices looking to start with voice-to-text conversion
🐾 Veterinary Practice Advantages
The HA-MIC04 is particularly well-suited for veterinary environments:
- Budget-Friendly Entry Point: Perfect for small animal clinics testing voice documentation workflows
- All-Day Reliability: 18-hour battery life covers even the longest veterinary shifts without charging
- Pocket-Sized Convenience: Ultra-lightweight design ideal for mobile veterinarians and house calls
- Practice Management Integration: Custom SDK development available for veterinary practice management
- Easy Staff Adoption: Simple one-button operation reduces training time for veterinary staff
📊 Veterinary Clinic Performance
| Scenario | Performance | Best Use Case |
|---|---|---|
| Routine Checkups | Excellent | Standard documentation needs |
| Quiet Consultation Rooms | 95% accuracy | Most veterinary interactions |
| Moderate Background Noise | 85% accuracy | Busy clinic periods |
| High-Noise Environments | 75% accuracy | Consider MIC05 for optimal results |
💡 Veterinary Tip: For clinics with frequent high-noise situations (multiple animals, busy waiting areas), consider the MIC05's advanced AI noise reduction.
1.3. MIC04 vs MIC05 Comparison
🔄 Choose Your Perfect Match
| Aspect | HA-MIC04 (This Device) | HA-MIC05 | Recommendation |
|---|---|---|---|
| Target User | Budget-conscious practices | Advanced clinical environments | MIC04: Perfect for getting started |
| Weight | 36g (Ultra-lightweight) | 60g | MIC04: Better for all-day wear |
| Battery | 18 hours (Longer lasting) | 15 hours | MIC04: Less charging interruptions |
| Price | Entry-level | Premium | MIC04: Better ROI for basic needs |
| Noise Reduction | Standard | AI-powered (95% clarity) | MIC05: Better for noisy environments |
| Built-in Speaker | No | Yes (0.7W) | MIC05: Standalone audio feedback |
| NFC Reader | No | Yes (Patient ID scanning) | MIC05: Advanced patient management |
| Best For | Small practices, budget-conscious | Large clinics, advanced features | Choose based on practice size & budget |
💡 Why Choose MIC04?
- ✅ Lower Initial Investment: Perfect for testing voice documentation workflows
- ✅ Proven Reliability: Established technology with consistent performance
- ✅ Longer Battery Life: Fewer interruptions during busy clinic days
- ✅ Ultra-Portable: Ideal for mobile medical professionals or multi-location practices
- ✅ Easy Integration: Simple API makes it developer-friendly for basic implementations
📈 Upgrade Path Available
Start with MIC04 and upgrade to MIC05 when your practice grows or needs advanced features like AI noise reduction and NFC patient management.
🧪 Veterinary Sample Testing Program
Risk-Free Evaluation for Animal Clinics:
- Clinic-Specific Testing: Both MIC04 and MIC05 samples available for side-by-side comparison
- Real-World Scenarios: Test in actual veterinary environments with animal patients
- Integration Demo: Live demonstration of voice-to-record conversion
- Fast Procurement:
- Alibaba direct shipping (2-3 days)
- Veterinary distributor network
- Emergency same-day delivery in major cities
- Veterinary Practice Special: 30-day money-back guarantee + free setup consultation
📋 Veterinary Integration Checklist
Pre-Purchase Evaluation:
- ✅ Test audio quality during peak clinic hours
- ✅ Evaluate battery life during typical veterinary shifts
- ✅ Assess staff adoption and ease of use
- ✅ Verify integration with existing practice management software
- ✅ Test performance with different animal species and noise levels
2. Specifications
The HA-MIC04 is an ultra-portable AI voice recorder with Bluetooth and WiFi connectivity, internal storage, and extended battery life, designed for professional voice capture, AI-powered transcription, and medical documentation.
📦 What's in the box?
- 1 × HA-MIC04 Device
- 1 × Type-C Charging Cable
📄 Technical Specifications:
| Function | Parameter Details |
|---|---|
| Product Model | HA-MIC04 |
| Product Name | AI Voice Recorder |
| Dimensions | 65 × 22.6 × 16 mm |
| Net Weight | 36g |
| Material | Aluminum Alloy + PCBA |
| Connection | Bluetooth 5.3, WiFi (IEEE802.11 b/g/n, 2.4GHz) |
| Transmission Frequency | 2.4–2.48 GHz |
| Transmission Distance | 10 m |
| Battery Capacity | 3.7V, 650mAh |
| Charging Interface | USB Type-C |
| Charging Specification | 5V / 1A |
| Charging Time | 0.5 hours |
| Working Time (Mixed-Use) | ~18 hours |
| Standby Time | ~800 hours |
| Storage Capacity | 1GB SD NAND (internal storage) |
| Feedback | Buzzer + Vibration motor |
| Additional Features | Physical mode switching button 4 AI operation modes Internal offline recording (v1.5.0+) USB mass storage mode Voice Activity Detection (VAD) |
| App Support | Hearit.AI (iOS 11.0+ / Android 7.0+) |
3. Quick Start Guide
Get started with your HA-MIC04 in just a few simple steps.
Step 1: Unboxing & Charging
- Take the HA-MIC04 device and Type-C charging cable out of the package
- Before first use, we recommend fully charging the device using the included charging cable
- Charging: Green LED solid
- Fully Charged: Green LED turns off
- Charging Time: Only 0.5 hours (30 minutes)
- Long-press the Front button for 3 seconds to power on
Step 2: Connect via App
This mode provides full access to AI features and cloud processing through the Hearit.AI mobile app.
1. Download the App:
a. Search for "Hearit.AI" in the Apple App Store or Google Play Store to download and install
b. Download links:
c. Open the App and complete registration or login as prompted
2. Power On Device:
a. Long-press the Front button for 3 seconds to power on the device
- Confirmation: Buzzer sound + steady blue LED
3. Bluetooth Pairing:
a. Enable Bluetooth on your phone
b. In the Hearit.AI App home page, tap "Add Device" and select your device model (HA-MIC04) from the list
c. Select your HA-MIC04 device from the available devices
d. Successful Pairing:
- Blue LED flashes (3 times, 0.8s interval)
- Short beep confirms connection
- App will display "Connected"
Step 3: Start Using
Congratulations! Your device is now set up. Press the Front button to start recording or the Side button to switch between AI modes.
4. Hardware Guide
4.1. Button Operations
Front Button (Main Control)
| Operation | Function | LED | Audio Feedback |
|---|---|---|---|
| Long Press (3s) | Power on/off device | 🔵 Blue solid (on) | Buzzer sound |
| Single Press (Connected) | Start/Stop app recording | 🔵 Blue (high) / 🟣 Purple (VAD active) | Short vibration + beep |
| Double Press (BT Disconnected) | Start/Stop internal storage recording (Firmware v1.5.0+) | 🔵 Blue (high) / 🟣 Purple (VAD active) | Short vibration + beep |
| Press 5× | Check for OTA firmware updates | 🟡 Yellow (checking/updating) | None |
| Press 3× + Hold | Factory reset | 🔴 Red solid | None |
| Press 5× + Hold | Enter firmware update mode | Special pattern | None |
Side Button (Mode Switch)
| Operation | Function | LED | Audio Feedback |
|---|---|---|---|
| Single Press | Cycle through AI modes: Translation 🌍 → Meeting 📓 → Custom 🤖 → Note-Taking ✍️ | 🔵 Blue flash (1×) | Short vibration |
| Long Press (Connected) | Trigger mode announcement via app TTS | None | Voice announcement |
4.2. LED Indicator Status
General Status
| Status | LED Pattern | Meaning |
|---|---|---|
| Power On | 🔴🔵 Red/Blue alternating flashes (3×) | Device waking up |
| BLE Paired | 🔵 Blue flashes (3×, 0.8s interval) | Pairing successful |
| Recording (No Voice) | 🔵 Blue (high brightness) | Recording, VAD inactive |
| Recording (Voice Detected) | 🟣 Purple solid | Recording, VAD active |
| Not Recording | 🔵 Blue (low brightness) | Connected, standby |
| Mode Switch | 🔵 Blue flash (1×) | Mode changed |
| BLE Disconnected | 🔴 Red flashes (2×, 0.5s interval) | Connection lost |
| WiFi Connected | ⚪ White solid | WiFi connection successful |
OTA Update Status
| Status | LED Pattern | Meaning |
|---|---|---|
| Checking Update | 🟡 Yellow solid | Connecting to update server |
| Updating | 🟡 Yellow flashing | Firmware update in progress |
| Update Failed | 🔴 Red flashing | WiFi issue or update failed |
| No Update | ⚪ White flashing | Already on latest firmware |
Power Status
| Status | LED Pattern | Meaning |
|---|---|---|
| Charging | 🟢 Green solid | Charging in progress |
| Fully Charged | Green LED off | Charging complete |
| Factory Reset | 🔴 Red solid | Reset in progress |
4.3. Power & Charging
Interface: USB Type-C
Charging Status:
- Charging: 🟢 Green LED solid
- Fully Charged: Green LED turns off
- Charging Time: Only 0.5 hours (30 minutes)
Battery Management:
- Working Time: ~18 hours mixed-use continuous operation
- Standby Time: ~800 hours
- Auto-Sleep: Device enters sleep mode after 5 minutes of no connection (LED off)
- Low Battery Alert:
- One long beep every minute
- Red LED flashes every 0.8s, twice
Power Control:
- Power On: Long-press Front button for 3 seconds (buzzer sound + blue LED)
- Power Off: Long-press Front button for 3 seconds
5. Features in Detail
5.1. AI Voice Interaction Modes
The HA-MIC04 features physical mode switching via the Side button. Press the Side button once to cycle through 4 AI-powered operation modes. The device supports 52+ language support with automatic language detection.
Mode Cycle Order: Translation 🌍 → Meeting 📓 → Custom 🤖 → Note-Taking ✍️ → (repeats)
🌍 Translation Mode
- 52+ Languages Supported: Comprehensive global language coverage
- Automatic Language Detection: No need to manually select input language
- AI-powered translation: Real-time translation using advanced AI
- Azure + Whisper Layered Translation: Enterprise-grade translation accuracy
- Great for international conversations: Perfect for business meetings and travel
📓 Meeting Recorder
- Multi-language Meeting Support: Automatically handles multilingual participants
- Record meetings with high-quality audio: Professional-grade recording
- Convert speech to text with accuracy: Real-time transcription in 52+ languages
- Get organized meeting summaries: AI-powered summaries with key points extraction
🤖 Custom Model
- ChatGPT Integration: Powered by advanced AI for intelligent responses
- Add your own AI instructions: Customize AI behavior for specific use cases
- Choose from ready-to-use models: Pre-configured models for different industries
- Multi-language AI Interaction: ChatGPT responds in the user's preferred language
You can:
- Perform intelligent Q&A: Ask the AI any questions
- Generate content summaries: Let the AI help you summarize key points from conversations
✍️ Note Taking Mode
- Global Note Taking: Take notes in any of the 52+ supported languages
- Speak your tasks naturally: Natural language processing for task creation
- Auto-organize into categories: AI automatically categorizes and structures notes
- Smart deadline detection: Automatically identifies and sets deadlines from speech
Recording Management
- Start Recording: Single-press Front button (when connected to app)
- Stop Recording: Single-press Front button again
- Real-Time Audio: Audio streams to the app instantly for processing
- Mode Switching: Single-press Side button to cycle through modes
- Voice Activity Detection (VAD): LED changes to purple when voice is detected
- Auto-Reconnect: When app restarts with Bluetooth enabled, device automatically reconnects (LED: Blue flashes 3×, 0.8s interval)
5.2. Internal Storage Recording
Starting with firmware v1.5.0, the HA-MIC04 supports recording directly to its internal 1GB storage without requiring an active Bluetooth connection.
Key Features
- Independent Storage: Local recordings are stored directly on the device's 1GB SD NAND memory
- No App Synchronization: Local files do not automatically sync with the app when reconnected
- Manual Access: Files must be retrieved via USB connection
- Standalone Operation: Works even when disconnected from smartphone
- USB Mass Storage Mode: Device appears as USB drive when connected to computer
How to Use Internal Storage Recording
Starting Internal Recording:
- Ensure the device is powered on
- Make sure Bluetooth is disconnected
- Double-press the Front button
- Feedback:
- Short vibration + single beep
- LED: Blue (high) when VAD is inactive, Purple when VAD is active
- Recording begins immediately to internal storage
Stopping Internal Recording:
- Double-press the Front button again
- Feedback:
- Short vibration + single beep
- LED: Returns to normal state
- Recording is saved to internal storage
Accessing Internal Recordings
- Connect your HA-MIC04 to a computer using the USB Type-C cable
- The device will appear as a USB mass storage device (like a USB flash drive)
- Browse the device folders to access your recorded audio files
- Copy files to your computer as needed
- You can also delete old files to free up storage space
Recording Modes Comparison
| Feature | App Recording | Internal Recording |
|---|---|---|
| Trigger | Single press Front button | Double press Front button |
| LED Indicator | Blue (high) / Purple (VAD) | Blue (high) / Purple (VAD) |
| Connection Required | Yes (Bluetooth to app) | No (works offline) |
| Storage | Cloud via app | Device internal 1GB |
| AI Processing | Real-time | Manual (after USB transfer) |
| File Access | Through app | USB connection to computer |
| Backup | Automatic cloud sync | Manual USB transfer |
Important Notes
- No Synchronization: Internal recordings and app recordings are completely separate
- Storage Capacity: 1GB provides several hours of audio recording
- Storage Full: When storage is full, recording will stop automatically
- File Management: Connect via USB to manage and delete old recordings
- Works Anytime: Internal recording works whether device is connected to app or not
5.3. Developer Integration & SDK Support
🔧 Simple Integration for Development Teams
The HA-MIC04 offers streamlined integration perfect for teams looking to quickly implement voice recording capabilities without complex setup requirements.
Integration Advantages:
| Feature | HA-MIC04 Benefit | Perfect For |
|---|---|---|
| Simple API | Fewer endpoints, easier to learn | Small development teams |
| Fast Setup | Basic integration in 1-2 days | Quick proof-of-concepts |
| Lower Complexity | Minimal configuration required | First-time hardware integrators |
| Proven Stability | Mature, tested codebase | Production-ready applications |
Integration Capabilities:
- Available Now: Complete REST API with full documentation
- API Features: Device control, audio recording, transcription services
- SDK Development: Custom SDK development available for your specific platform
- Proven Technology: Same API foundation as MIC05 with simplified feature set
Integration Timeline:
- Direct API Integration: 3-5 days (using REST API)
- Custom SDK Development: 1-2 weeks (simpler than MIC05 due to fewer features)
- Practice Management Integration: Custom SDK can be developed based on requirements
Developer Resources:
- 📚 Complete API Documentation: Full REST API reference and examples
- 🛠️ Custom SDK Service: We develop SDKs tailored to your needs
- 💬 Technical Support: Direct access to our development team
- 🧪 API Testing: Full API access for development and testing
💡 Perfect for Testing & Pilot Programs
The MIC04 is ideal for medical practices wanting to:
- Test voice documentation workflows before full commitment
- Implement a pilot program with minimal investment
- Evaluate integration complexity with existing systems
- Train staff on voice recording processes
6. Firmware
For detailed firmware update instructions and methods, please visit the dedicated firmware update page:
👉 View Firmware Update Guide for HA-MIC04
7. Support
7.1. FAQ (Frequently Asked Questions)
Q1: How do I switch between modes?
- A: Press the Side button once to cycle through available modes: Translation 🌍 → Meeting 📓 → Custom 🤖 → Note-Taking ✍️
Q2: What's the difference between app recording and internal storage recording?
- A:
- App Recording: Single press Front button, requires Bluetooth connection, enables AI features, real-time processing
- Internal Recording: Double press Front button when Bluetooth disconnected, saves locally to 1GB storage, no AI processing, requires USB connection to access files
Q3: What happens when the battery is low?
- A: The device provides one long beep every minute and red LED flashes every 0.8s, twice. Connect to charger as soon as possible.
Q4: How do I update the firmware?
- A: First configure WiFi connection, then press the Front button 5 times quickly to check for updates. The device will automatically download and install any available updates.
Q5: How do I record without connecting to my phone?
- A: Make sure your device has firmware v1.5.0 or higher. With Bluetooth disconnected, double-press the Front button to start/stop recording. Connect the device to a computer via USB to access recordings.
Q6: What should I do if the device doesn't connect?
- A:
- Ensure Bluetooth is enabled on your phone
- Make sure the device is powered on (long-press Front button for 3 seconds)
- Try resetting the device by pressing the Front button 3 times quickly, then hold
Q7: How does MIC04 compare to MIC05 for medical use?
- A:
- MIC04: Best for small practices, budget-conscious, longer battery life (18h), ultra-portable (36g)
- MIC05: Better for busy clinics, AI noise reduction, built-in speaker, NFC patient scanning
- Recommendation: Start with MIC04 for basic needs, upgrade to MIC05 for advanced features
Q8: Can I test the device before full implementation?
- A: Yes! We recommend starting with MIC04 for pilot programs. Perfect for testing voice documentation workflows in your clinic. Low-risk way to evaluate staff adoption and integration complexity.
Q9: How complex is the integration with our existing systems?
- A:
- MIC04: Complete REST API available now, custom SDK development offered
- Designed for teams new to hardware integration
- 3-5 days for direct API integration, 1-2 weeks for custom SDK
- Practice management integration: custom SDK can be developed based on your requirements
Q10: What's the difference in audio quality between MIC04 and MIC05?
- A:
- MIC04: Standard high-quality recording, suitable for most clinical environments
- MIC05: AI-powered noise reduction with 95% speech clarity, better for very noisy clinics
- Both provide professional-grade audio for medical documentation
Q11: What are the specific considerations for veterinary use?
- A:
- Animal Noise: MIC04 handles standard veterinary environments well, but very noisy situations (multiple barking dogs) may benefit from MIC05's advanced AI
- Battery Life: 18-hour battery life covers the longest veterinary shifts, perfect for mobile veterinarians
- Integration: Custom SDK development available for veterinary practice management systems, other veterinary software can be integrated via our REST API or custom SDK
- Staff Training: One-button operation minimizes training time for busy veterinary staff
Q12: Can I get samples for testing in my veterinary clinic?
- A: Yes! MIC04/MIC05 sample pairs available specifically for veterinary practice evaluation. Fast delivery: Alibaba (2-3 days) or direct manufacturer (5-7 days). 30-day risk-free trial with full refund guarantee. Free integration consultation included with sample orders. Test in real clinic environments with actual animal patients.
7.2. Experimental Features
- Several experimental features are available in the web-demo version
- Web-demo supports Windows, macOS, Android (iOS not supported)
- Access via webdemo.hearit.ai
7.3. Contact Us
If you encounter any issues that cannot be resolved, or if you have any suggestions, please feel free to contact us through the following channels:
- Official Support Email: [email protected]
- Online Help Center: https://support.hearit.ai
- Technical Documentation: https://docs.hearit.ai
8. Legal
8.1. Disclaimer
AI Service Responsibility:
This product's AI functions are powered by third-party large language models. Our company does not assume any responsibility for the accuracy, completeness, or compliance of content generated by these AI services.
Recording Legality:
When using the recording function, users must strictly comply with local laws and regulations regarding audio recording. Users are solely responsible for any legal disputes arising from illegal recording activities.
Firmware Update Risks:
During firmware updates, any device damage or data loss caused by improper operation (such as power interruption during update, use of unofficial firmware, physical device damage, etc.) or failure to follow official guidelines is not covered under warranty.
Medical Use Disclaimer:
While the HA-MIC04 can be used as a tool for voice documentation in medical and veterinary settings, it is not a certified medical device. Users are responsible for ensuring compliance with local healthcare regulations and data privacy laws (such as HIPAA in the United States). The accuracy of transcriptions and AI-generated content should always be verified by qualified professionals.
Data Storage:
Internal storage recordings and data stored on the device are the user's responsibility. The company is not responsible for data loss due to device damage, corruption, or user error. Regular backups are recommended.
8.2. Warranty Policy
This product is provided with a limited warranty for a period of one (1) year from the date of purchase. This warranty does not cover damage caused by accidents, misuse, abuse, or unauthorized modifications. For detailed warranty terms, please visit our official warranty page.
Thank you for choosing HA-MIC04!
We are committed to continuously improving our products and services. Your feedback helps us make the HA-MIC04 even better.
For the latest updates, tips, and tutorials, visit:
- Website: https://hearit.ai
- Documentation: https://docs.hearit.ai
- Community Forum: https://community.hearit.ai