NRHeatTech APP Usage Instruction

1. Open Google Play or the App Store and search for and install the NRHeatTech APP.

2. Connect the clothing to a power source.

3. As shown in (Photo 1), turn on the Bluetooth on your phone: open the drop-down status bar at the top of the screen, click on the Bluetooth icon.

4. Click on the NRHeatTech icon (Photo 2) to open the app. Please allow precise location permission.

5. Click on “Unconnected” to enter the device list and scroll down to search for the Bluetooth device named “HeatTech”.

6. Click on “HeatTech” in the list (Photo 2) to connect to the Bluetooth. The app will automatically return to the main page, displaying the currently connected product (vest, hoodie, pants, etc.), and the Bluetooth connection information bar will show “Connected”.

7. Turn on the power switch on the app, and the three zones of the clothing will display high-power heating.

8. As shown in (Photo 2), click on the High, Medium, and Low buttons in the Hand warmer zone to adjust the corresponding heating temperature. Click on the N/F button in the Hand warmer zone to individually turn on or off the heating in that zone. Click on the High, Medium, and Low buttons in the Collar zone to adjust the corresponding heating temperature. Click on the N/F button in the Collar zone to individually turn on or off the heating in that zone. Click on the High, Medium, and Low buttons in the Back zone to adjust the heating temperature. Click on the N/F button in the Back zone to individually turn on or off the heating in that zone.

9. Click on the light button to turn the switch light on or off on the heated clothing. The gear position remains unchanged. In the off state, adjust the gear, and the light will turn on for 3 seconds before automatically turning off.

10. To connect another clothing product, click on “Connected” to enter the device list, refresh the list by scrolling down, disconnect the previously connected device, and select the new device to connect. Refer to control operations 7-9.