trevi T-Fit 300 Smartwatch with Bluetooth Call Function User Manual
Discover the T-Fit 300 CALL Smartwatch with Bluetooth Call Function. This user manual provides instructions for usage, maintenance, and app download. Find out how to turn on/off, change the watch face, and pair with Android and iOS phones. Get detailed specifications and enjoy features like heart rate and oxygen level detection. Stay connected with Bluetooth 5.0 technology.