HA-MIC05A
AI Noise Reduction Voice Recorder with Bluetooth
Table of Contents
- Product Overview
- App Download
- Pairing & Connection
- Button Controls
- Operational States
- LED Indicators
- Audio Prompts
- Power Management
- Modes of Operation
- Noise Reduction Features
- Speaker Functions
- FAQ (Frequently Asked Questions)
- Experimental Features
Product Overview
The HA-MIC05A is an advanced AI-powered noise reduction voice recorder with Bluetooth capabilities and built-in speaker, designed for superior voice interaction and crystal-clear recording in any environment.
📦 What's in the box?
- 1 x HA-MIC05A Device
- 1 x Type-C Charging Cable
📄 Technical Specifications:
| Feature | Details |
|---|---|
| Product Name | AI Noise Reduction Voice Recorder |
| Bluetooth Version | V5.3 |
| Transmission Frequency | 2.4-2.48 GHz |
| Transmission Distance | 10 m |
| Speaker Maximum Power | 0.5W |
| Feedback | Built-in Speaker with Voice Prompts |
| Charging Interface | Type-C |
| Charging Voltage | 5V / 1A |
| Charging Time | 1.5 hours |
| Work Time | ~96 hours |
| Standby Time | ~2000 hours |
| Battery Capacity | 3.7V, 800mAh |
| Material | Aluminum Alloy + PCBA |
| Net Weight | 36g |
| Dimensions | 60 × 32 × 16 mm |
App Download
Download the Hearit.AI app from:
Alternatively, search for "Hearit.AI" in Google Play Store or Apple App Store.
Pairing & Connection
- Launch the app and create an account or sign in.
- Select your language.
- Press the side button once to power on the device.
- Confirmation: "Power on" voice prompt + Blue LED starts flashing.
- Enable Bluetooth on your phone and select your device in the app.
- Connection Success: "Connected" voice prompt + Blue LED becomes solid.
- Tap "Start Using" to enter the main interface.
Button Controls
Side Button (Single Control Button)
The HA-MIC05A features a single side button that handles all device functions:
Basic Operations
- Single Press: Start/Stop AI conversation
- Feedback: No audio prompts during conversation
- LED Status: Blue solid when connected
Mode Switching
- Double Press: Switch between modes
- Translation Mode 🌍
- Meeting Mode 📓
- Custom Mode 🤖
- Note-Taking Mode ✍️
- Confirmation: Mode change announced via app
Music Control
- Triple Press: Play/Pause music
- Feedback: Audio response through built-in speaker
Power Management
- Four Presses: Turn off device
- Long Press (3 seconds): Power on/off
- Feedback:
- Power On: "Power on" voice prompt
- Power Off: "Power off" voice prompt
System Functions
- Five Presses: Reset device settings
- Four Presses + Hold: Enter USB update mode
- Five Presses + Hold: Enter USB update mode
Operational States
Basic Controls
| Function | Button Action | Expected Result | Audio Feedback | LED Status |
|---|---|---|---|---|
| Power On | Single press (when off) | Device wakes up & broadcasts BLE | "Power on" | Blue LED starts flashing |
| BLE Connected | After pairing | Connected to phone | "Connected" | Blue solid |
| BLE Disconnected | Connection lost | Lost connection to phone | "Disconnected" | Blue flashing |
| Start AI Conversation | Single press (when connected) | Audio streams to app | None | Blue solid |
| Stop AI Conversation | Single press (during recording) | Recording stops | None | Blue solid |
| Switch Mode | Double press | Mode changed via app | Mode announcement | Blue solid |
| Music Control | Triple press | Play/pause music | None | Blue solid |
| Power Off | Four presses or long press (3s) | Device shuts down | "Power off" | LED turns off |
| Factory Reset | Five presses | Reset to factory settings | None | LED flashing |
| USB Update Mode | Four/Five presses + hold | Enter update mode | None | Special LED pattern |
LED Indicators
The HA-MIC05A features a simple two-color LED system:
| State | LED Pattern | Meaning |
|---|---|---|
| BLE Disconnected | Blue flashing | Searching for connection |
| BLE Connected | Blue solid | Connected and ready |
| Charging | White breathing effect | Charging in progress (device off) |
| Full Charge | White solid | Charging complete (device off) |
| Low Battery | Red flashing | Battery ≤10% |
Audio Prompts
The HA-MIC05A provides clear voice prompts through its built-in speaker to keep you informed of device status:
System Audio Prompts
- "Power on": Played when the device is turned on
- "Power off": Played when the device is turned off
- "Connected": Played when Bluetooth connection is established with your phone
- "Disconnected": Played when Bluetooth connection is lost
Mode Announcements
When switching between modes using double-press, the device will announce the current mode:
- "Translation Mode" 🌍
- "Meeting Mode" 📓
- "Custom Mode" 🤖
- "Note Taking Mode" ✍️
Audio Characteristics
- Clear Voice: English voice prompts for universal understanding
- Optimal Volume: Automatically adjusted for clear hearing without being intrusive
- Quick Response: Immediate audio feedback for user actions
Power Management
Charging
- Interface: USB-C port
- Charging Time: 1.5 hours (enhanced battery capacity)
- Status:
- Charging: White LED breathing effect (when device is off)
- Full: White LED solid (when device is off)
Extended Battery Life
With the upgraded 800mAh battery, the HA-MIC05A offers:
- Work Time: ~96 hours of continuous operation
- Standby Time: ~2000 hours
Low Battery Alert
- Trigger: Battery ≤10%
- Indication: Red LED flashing
Modes of Operation
Translation Mode 🌍
- AI-powered translation with voice output via built-in speaker
- Auto-detects spoken language
- Crystal-clear audio output with noise reduction
- Perfect for international conversations
Meeting Recorder 📓
- Record meetings with advanced noise reduction technology
- Convert speech to text with high accuracy
- Get organized meeting summaries
- Built-in speaker for instant playback
Custom Model 🤖
- Add your own AI instructions
- Choose from ready-to-use models
- Adapt to different scenarios
- Audio feedback through built-in speaker
Note Taking Mode ✍️
- Speak your tasks naturally with noise cancellation
- Auto-organize into categories
- Smart deadline detection
- Voice confirmations through speaker
Noise Reduction Features
The HA-MIC05A incorporates advanced noise reduction technology to ensure crystal-clear recording and playback in any environment.
Key Benefits
- Environmental Noise Suppression: Automatically filters out background noise
- Echo Cancellation: Eliminates audio feedback and echoes
- Wind Noise Reduction: Effective filtering for outdoor use
- Adaptive Processing: Automatically adjusts to different noise environments
How It Works
- Real-time Processing: Audio is processed in real-time during recording
- AI-Enhanced: Machine learning algorithms identify and suppress noise patterns
- Selective Filtering: Preserves voice clarity while removing unwanted sounds
- Multi-band Processing: Different frequency ranges are processed independently
Applications
- Busy Offices: Clear recordings despite keyboard typing and conversations
- Outdoor Environments: Effective wind and traffic noise reduction
- Conferences: Enhanced audio quality in large meeting rooms
- Public Spaces: Clear voice capture in crowded areas
Speaker Functions
The built-in 0.5W speaker provides high-quality audio output for various functions.
Audio Capabilities
- Maximum Power: 0.5W for clear and loud playback
- Frequency Response: Optimized for voice reproduction
- Volume Control: Adjustable through the mobile app
- Low Distortion: Crystal-clear audio output
Key Features
- AI Response Playback: Hear AI responses directly from the device
- Translation Output: Real-time translation with audio output
- System Status Prompts: Clear voice announcements for power, connection, and mode changes
- Meeting Playback: Instant replay of recorded conversations
- Mode Announcements: Audio confirmation when switching between different modes
Usage Scenarios
- Language Learning: Practice pronunciation with instant audio feedback
- Accessibility: Audio output for visually impaired users
- Hands-free Operation: Voice confirmations without checking the phone
- Group Meetings: Share AI responses with the entire room
FAQ (Frequently Asked Questions)
-
How do I switch between modes?
- Double-press the side button to cycle through available modes.
-
What happens when the battery is low?
- The device will show a red flashing LED when battery is ≤10%.
-
How do I turn the device on/off?
- Single press to turn on, or four presses/long press (3 seconds) to turn off.
-
What should I do if the device doesn't connect?
- Ensure Bluetooth is enabled on your phone and the device is in pairing mode (blue LED flashing).
- Try resetting the device by pressing the side button five times quickly.
-
How does the noise reduction work?
- The device automatically applies advanced noise reduction algorithms during recording and playback to filter out background noise while preserving voice clarity.
-
Can I adjust the speaker volume?
- Yes, speaker volume can be controlled through the Hearit.AI mobile app settings.
-
Does the speaker work during all modes?
- Yes, the built-in speaker provides audio feedback and output across all operational modes including translation, meeting recording, and custom AI interactions.
-
How do I control music playback?
- Triple-press the side button to play/pause music.
-
What audio prompts will I hear?
- The device announces "Power on" when turning on, "Power off" when turning off, "Connected" when Bluetooth pairs successfully, and "Disconnected" when Bluetooth connection is lost.
-
Can I turn off the voice prompts?
- Voice prompts are built into the device firmware and cannot be disabled, but they are brief and non-intrusive.
Experimental Features
- Several experimental features are available in the web-demo version.
- Web-demo supports Windows, macOS, Android (iOS not supported).
- Enhanced noise reduction features available in experimental builds.
- Advanced speaker controls and audio settings.
- Access via webdemo.hearit.ai.