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TR01

TR01

Table of Contents​

  1. Product Overview
  2. App Download
  3. Pairing & Connection
  4. Button Controls
  5. Operational States
  6. LED Indicators
  7. Power Management
  8. Modes of Operation
  9. Firmware Update
  10. FAQ (Frequently Asked Questions)

Product Overview​

The TR01 is a versatile voice assistant device that supports both Classic Bluetooth and BLE connections. It offers multiple recording modes and seamless voice interaction capabilities.

📦 What's in the box?

  • 1 x TR01 Device
  • 1 x Type-C Charging Cable

📄 Technical Specifications:

FeatureDetails
Product NamePortable ChatGPT Translator
WiFi StandardIEEE802.11 b/g/n
Bluetooth VersionV5.3
Transmission Frequency2.4-2.48 GHz
Bluetooth Distance10 m
Speaker Power2W max
Charging InterfaceType-C
Charging Voltage5V
Charging Time1 hour
StorageOptional TF Card support
FeedbackMotor vibration prompt
LED IndicatorThree-color LED
Working Time8-10H (Bluetooth) / 2-3H (WiFi)
Standby Time~1500 hours
Battery Capacity3.7V, 1200mAh
MaterialPlastic + Aluminum alloy + PCBA
Net Weight82g
Dimensions110 × 41.5 × 13.1 mm

App Download​

To use TR01, download the Hearit.AI app:

Alternatively, search for "Hearit.AI" in the 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. Long-press the front button for 3 seconds to power on the device.
    • Confirmation: Buzzer sound + steady blue LED.
  4. Enable Bluetooth on your phone and select your device in the app. Add Your Device
  5. Tap "Start Using" to enter the main interface.

Pairing & Connection​

Power On/Off​

  • Power On: Long press the pairing button
    • Device turns on and broadcasts both Classic Bluetooth and BLE signals
    • Vibration: Two short vibrations
  • Power Off: Long press the pairing button
    • Vibration: Two short vibrations

Bluetooth Pairing​

  1. Clear Pairing Information:

    • Condition: Device is working and Classic Bluetooth is connected
    • Action: Press 3 times quickly, then hold
    • Feedback: One long vibration

  2. Classic Bluetooth Pairing:

    • Condition: Device is working, both Classic Bluetooth and BLE are disconnected
    • Result:
      • Status LED blinks
      • "Connected" voice prompt

  3. BLE Pairing:

    • Condition: Device is working, Classic Bluetooth is disconnected, BLE is connected
    • Result:
      • Status LED blinks
      • "Connected" voice prompt

Button Controls​

TR01 buttons

Translation Button​

  • Action: Single press
  • Function: Notifies app to enter translation mode and starts/stops audio transmission
  • Feedback:
    • One vibration
    • Status LED: Blue light steady on during recording
    • Button LED: Green light on when pressed, off when released

AI Chat Button​

  • Action: Single press
  • Function: Notifies app to enter note-taking mode and starts/stops audio transmission
  • Feedback:
    • One vibration
    • Status LED: Blue light steady on during recording
    • Button LED: Green light on when pressed, off when released

Function Button 1​

  • Action: Single press
  • Function: Notifies app to enter meeting mode and starts/stops audio transmission
  • Feedback:
    • One vibration
    • Status LED: Blue light steady on during recording
    • Button LED: Green light on when pressed, off when released

Function Button 2​

  • Action: Single press
  • Function: Notifies app to enter custom mode and starts/stops audio transmission
  • Feedback:
    • One vibration
    • Status LED: Blue light steady on during recording
    • Button LED: Green light on when pressed, off when released

Custom Button​

  • Action: Single press
  • Function: Stops app TTS playback
  • Feedback:
    • One vibration
    • Button LED: Green light on when pressed, off when released

Operational States​

Disconnection​

  • Condition: BLE is connected
  • Trigger: Phone actively disconnects BLE
  • Result:
    • Connection breaks
    • Status LED: Red light flashes every 0.5s, three times

Reconnection​

  • Condition: BLE is disconnected, app initiates reconnection
  • Trigger: Remote Bluetooth is turned on
  • Result:
    • Device automatically reconnects to phone
    • Status LED: Blue light flashes every 0.5s, three times

LED Indicators​

StateLED PatternMeaning
RecordingStatus LED: Steady blueRecording active
DisconnectionStatus LED: Red flashes (3x)BLE disconnected
ReconnectionStatus LED: Blue flashes (3x)Reconnecting
Low BatteryStatus LED: Red flashes (2x)Battery ≤10%
ChargingStatus LED: Steady greenCharging in progress
Full ChargeStatus LED: OffCharging complete

Power Management​

Low Battery Alert​

  • Trigger: Battery ≤10%
  • Reminder:
    • Repeats every minute
    • Voice prompt: "Battery Low"
    • Status LED: Red light flashes every 0.8s, twice

Charging​

  • Interface: USB-C port
  • Status:
    • Charging:
      • One vibration
      • Status LED: Steady green
    • Full: Status LED turns off

Modes of Operation​

Translation Mode 🌍​

  • Real-time voice translation
  • Activated via Translation button

Note-Taking Mode 📝​

  • AI-powered note-taking
  • Activated via AI Chat button

Meeting Mode 👥​

  • Meeting recording and transcription
  • Activated via Function Button 1

Custom Mode ⚙️​

  • Customizable recording mode
  • Activated via Function Button 2

Firmware Update​

Keeping your TR01 device updated with the latest firmware ensures optimal performance and access to new features. Follow these steps to update your device's firmware:

Prerequisites​

  • Ensure your device has at least 50% battery charge
  • A WiFi network operating on 2.4GHz frequency band (5GHz is not supported)
  • A stable internet connection

Update Procedure​

1. Connect to WiFi Configuration Portal​

  1. Visit https://hearit.ai/wifi/ in your web browser
  2. Enter your WiFi network name (SSID) and password
  3. Important: Make sure your WiFi network operates on the 2.4GHz frequency band
WiFi Configuration Portal

2. Connect Your Device​

  1. Click "Start Configuration"
  2. When prompted, search for and connect to your TR01 device
Device Connection

3. Transfer WiFi Credentials​

The website will automatically transmit your WiFi credentials to your TR01 device

Transferring WiFi Credentials

4. Enter OTA Update Mode​

  1. Quickly press the pairing button 5 times in succession
  2. Your device will enter OTA (Over-The-Air) update mode

5. Update Status Indicators​

StatusLED IndicatorMeaning
OTA Entry FailedRed light flashes 3 timesCheck if your WiFi is 2.4GHz
OTA In ProgressYellow light flashingUpdate downloading and installing
OTA SuccessfulWhite light flashingFirmware update completed

6. Completion​

Once the white light flashes, your TR01 device has been successfully updated to the latest firmware. The device will automatically restart and be ready for use.

FAQ (Frequently Asked Questions)​

  1. How do I switch between modes?

    • Simply press the corresponding function button for your desired mode.

  2. What happens when the battery is low?

    • Device will provide voice and LED alerts every minute when battery is ≤10%.

  3. How do I stop TTS playback?

    • Press the Custom button to stop app TTS playback.

Experimental Features​

  • Some features are only available in the Web-demo version of the app.
  • Web-demo is compatible with Windows, MacOS, and Android (not iOS).
  • Visit here for access.