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HA-MIC05A

AI Noise Reduction Voice Recorder with Bluetooth​

MIC05A

Table of Contents​

  1. Product Overview
  2. App Download
  3. Pairing & Connection
  4. Button Controls
  5. Operational States
  6. LED Indicators
  7. Audio Prompts
  8. Power Management
  9. Modes of Operation
  10. Noise Reduction Features
  11. Speaker Functions
  12. FAQ (Frequently Asked Questions)
  13. 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.

πŸ“¦ What's in the box?

  • 1 x HA-MIC05A Device
  • 1 x Type-C Charging Cable
MIC05A Specifications

πŸ“„ Technical Specifications:

FeatureDetails
Product NameAI Noise Reduction Voice Recorder
BrandHearit.AI
Available ColorsSilver
Bluetooth VersionV5.3
Transmission Frequency2.4-2.48 GHz
Transmission Distance10M
Speaker Maximum Power0.5W
FeedbackBuilt-in Speaker with Voice Prompts
Charging InterfaceType-C
Charging Voltage5V / 1A
Charging Time1.5 hours
Work TimeAbout 96 hours
Standby Time~2000 hours
Battery Capacity3.7V 800mAh
MaterialAluminum Alloy + PCBA
Net Weight36g
Product Size60mmΓ—32mmΓ—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 Support: Tactile feedback for user interactions
  • 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​

  1. Launch the app and create an account or sign in.
  2. Select your language.
  3. Press the side button once to power on the device.
    • Confirmation: "Power on" voice prompt + Blue LED starts flashing.
  4. Enable Bluetooth on your phone and select your device in the app.
    • Connection Success: "Connected" voice prompt + Blue LED becomes solid.
    Add Your Device
  5. 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 πŸ““
    • Custom Mode πŸ€–
    • 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​

FunctionButton ActionExpected ResultAudio FeedbackLED Status
Power OnSingle press (when off)Device wakes up & broadcasts BLE"Power on"Blue LED starts flashing
BLE ConnectedAfter pairingConnected to phone"Connected"Blue solid
BLE DisconnectedConnection lostLost connection to phone"Disconnected"Blue flashing
Start AI ConversationSingle press (when connected)Audio streams to appNoneBlue solid
Stop AI ConversationSingle press (during recording)Recording stopsNoneBlue solid
Switch ModeDouble pressMode changed via appMode announcementBlue solid
Music ControlTriple pressPlay/pause musicNoneBlue solid
Power OffFour presses or long press (3s)Device shuts down"Power off"LED turns off
Factory ResetFive pressesReset to factory settingsNoneLED flashing
USB Update ModeFour/Five presses + holdEnter update modeNoneSpecial LED pattern

LED Indicators​

The HA-MIC05A features a simple two-color LED system:

StateLED PatternMeaning
BLE DisconnectedBlue flashingSearching for connection
BLE ConnectedBlue solidConnected and ready
ChargingWhite breathing effectCharging in progress (device off)
Full ChargeWhite solidCharging complete (device off)
Low BatteryRed flashingBattery ≀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" πŸ““
  • "Custom Mode" πŸ€–
  • "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 πŸŒβ€‹

  • 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 πŸ““β€‹

  • 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 πŸ€–β€‹

  • Add your own AI instructions
  • Choose from ready-to-use models
  • Adapt to different scenarios
  • Audio feedback through built-in speaker

Note Taking Mode βœοΈβ€‹

  • 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​

  1. Real-time Processing: Audio is processed in real-time during recording
  2. AI-Enhanced: Machine learning algorithms identify and suppress noise patterns
  3. Selective Filtering: Preserves voice clarity while removing unwanted sounds
  4. 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​

  1. AI Response Playback: Hear AI responses directly from the device
  2. Translation Output: Real-time translation with audio output
  3. System Status Prompts: Clear voice announcements for power, connection, and mode changes
  4. Meeting Playback: Instant replay of recorded conversations
  5. 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)​

  1. How do I switch between modes?

    • Double-press the side button to cycle through available modes.

  2. What happens when the battery is low?

    • The device will show a red flashing LED when battery is ≀10%.

  3. How do I turn the device on/off?

    • Single press to turn on, or four presses/long press (3 seconds) to turn off.

  4. 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.

  5. 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.

  6. Can I adjust the speaker volume?

    • Yes, speaker volume can be controlled through the Hearit.AI mobile app settings.

  7. 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.

  8. How do I control music playback?

    • Triple-press the side button to play/pause music.

  9. 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.

  10. 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.