Applicable platform: Fully compatibleScreen size: 1.3 inchesCamera; noBody memory: 64KBScreen material; IPSHow to wear: WristbandCompatible systems: fully compatibleAdditional features: information push, health monitoring, motion tracking, smart reminder, sleep analysis, mobile positioning, monitoring, step counting, tracking / alarm, audio and video entertainment, social entertainment, remote self-timerWireless distance: 5m (inclusive) -10m (inclusive)Battery capacity: 180mAhMode of operation: touchProduct Size: Handpiece: Length 44.3mm* Width 45.4mm* Height 11.6mm. Total length of strap: 255mmScreen resolution: 240*240Wrist strap material: tpuStrap style: classic buttonStrap size; M/L (suitable for 150-200 mm wrist circumference)Color: blue, black, silver gray