PT Plus is a device which will alarm when user does not move for half minutes. After that, another device called HHR (Hand Hold Receiver) can receive wireless signal sent by PT Plus continuously, and by that HHR can judge the distance and direction of PT Plus.

This mobile app provides user a tool to configure user name (which will display on HHR) and operation mode of PT Plus device. User can also get the serial number, firmware version etc. of this device by this mobile app.

To keep stable Bluetooth connection with PT Plus device, user should prevent the device from entering pre-alarm or alarm status by moving or shaking it at intervals not exceeding 20 seconds.

Once the device gets into pre-alarm or alarm status, user need to long press the middle alarm button to resume idle status, then long press the side power button to open its Bluetooth again. Then user can get back to the main page and refresh the device list in the app and connect with the device again.