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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. 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​

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 pairing button 5 times
    • Feedback: One long vibration

  2. Classic Bluetooth Pairing:

    • Condition: Device is working, both Classic Bluetooth and BLE are disconnected
    • Result:
      • Status LED blinks
      • Three short vibrations
      • "Connected" voice prompt
      • Status LED flashes green twice

  3. BLE Pairing:

    • Condition: Device is working, Classic Bluetooth is disconnected, BLE is connected
    • Result:
      • Status LED blinks
      • Three short vibrations
      • "Connected" voice prompt
      • Status LED flashes green twice

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

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.

  4. What should I do if the device doesn't connect?

    • Ensure both Classic Bluetooth and BLE are enabled on your phone.
    • Try clearing pairing information by pressing the pairing button 5 times.

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.