Sport Fitness Tracker NFC Blood oxygen Smartwatch

Battery: 330mAh
Screen: 2.1 inch AMOLED 485*520 pix
96 sport modes.
Function: Compass, Air pressure altitude monitoring, multi sport mode, NFC entrance control simulation, AI voice, Bluetooth call support dialing answer, heart rate monitoring, Blood oxygen monitoring, IP68 waterproof
Compass pattern, Altitude and pressure monitoring, Make adventure easier.