Hardware and other parameters Function parameter System Requirements android5.0+ / ios10.0+ Dial market Smart split screen display Master chip OM6621-PG Screen out time setting 3D dynamic dial Bracelet memory 128M Scan code connection Bracelet language switching Bluetooth for calls AB5376A2 Bluetooth Call Password lock screen Bluetooth version 5.2 Off-line Collections Social calling cards Step sensor SC7R30 Program Dock Compass Heart rate sensor zhanheng1662 Offline collection voice assistant Screen display 2.02inch-narrow bezel full screen 640x480 resolution Health positioning Short Video Control Battery capacity 270mAh casual games Temperature measurement Standby time 7 days Sport mode Altitude Pressure Usage time About 5 days Multi-function NFC Physiological cycle Button method Full screen touch Sleep monitoring Hourly point measurement Motor Pie Motor Incoming call Heart rate Charging port Magnetic charging Message notification Blood pressure Waterproof level IP67 Sedentary reminder Blood oxygen Sensor G-sensor 3 axis Alarm reminder Calculator Local dial 10+ Stopwatch Custom watch face Dial market 50+ Find a bracelet Health Weekly Menu style 4 Dial switch Dimming APP WearFit pro Raise your hand to brighten the screen Weather