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 |
| Brand | Hearit.AI |
| Available Colors | Silver |
| Bluetooth Version | V5.3 |
| Transmission Frequency | 2.4-2.48 GHz |
| Transmission Distance | 10M |
| Speaker Maximum Power | 0.5W |
| Feedback | Built-in Speaker with Voice Prompts+Vibration motor |
| Charging Interface | Type-C |
| Charging Voltage | 5V / 1A |
| Charging Time | 1.5 hours |
| Work Time | About 96 hours |
| Standby Time | ~2000 hours |
| Battery Capacity | 3.7V 800mAh |
| Material | Aluminum Alloy + PCBA |
| Net Weight | 36g |
| Product Size | 60mm×32mm×16mm |
🎯 Hardware Components
Based on the product design, the HA-MIC05A features:
- Primary Button: Main control button on the side
- LED Indicator: Status indicator light
- Built-in Speaker: 0.5W speaker for audio output and voice prompts
- Back Clip: Convenient attachment for clothing or accessories
- Vibration Motor: Tactile feedback for recording start/stop operations
- Microphone Array: Advanced noise reduction microphone system
- Type-C Port: Fast charging and data transfer
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: Short vibration on start/stop + 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 | Short vibration + None | Blue solid |
| Stop AI Conversation | Single press (during recording) | Recording stops | Short vibration + 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.
-
What is the vibration motor used for?
- The vibration motor provides tactile feedback when starting and stopping AI conversations. You'll feel a short vibration when you press the button to begin recording and another short vibration when you stop recording. This helps confirm your actions without relying solely on audio or visual feedback.
-
Can I disable the vibration feedback?
- Vibration feedback is built into the device firmware and cannot be disabled, but it provides helpful tactile confirmation of your recording actions.
-
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.