Display type TFT-LCD Screen size 1.7" Resolution 240*280 Water Resistance Rating 5 ATM MCU Nordic nRF52840 Flash 128Mb IMU STK8321 PPG heart rate sensor PAH8009 Bluetooth BLE5.0 Battery 300mAh System...
Display type TFT-LCD Screen size 1.28" Resolution 240*240 Water Resistance Rating 5 ATM MCU RTL8762CK Flash 128Mb IMU STK8321 PPG heart rate sensor VC32S Bluetooth BLE5.0 Battery 450mAh System requirements...
Display type TFT-LCD Screen size 1.28" Resolution 240*240 Water Resistance Rating IP68 MCU Realtek8762CK, 160Kb RAM+128Mb ROM Flash / IMU STK8321 PPG heart rate sensor VC11 Bluetooth BLE5.0 Battery 210mAh...