Description:Name: Smart WatchAPP: HealthWear;Main control chip: ultra-low power JL7012;Temperature sensor: contact high-precision thermal sensor;Blood oxygen chip: TYHX3605;Gravity sensor: ST8321;Photoelectric chip: TYHX3605;Vibration: Precision motor: quiet/vibration;Waterproof level: IP67;Compatible for Android 4.4 and above, iOS 8.2 and above;Screen size: 1.91-inch retina high-resolution 320x386 screen;Screen type: IPS HD TFT;Wireless: 5.0 (low power);Battery type: high density polymer lithium battery;Battery capacity: 280mAh;Charging mode: magnetic charging;Charging time: about 3-4H;Battery life: 3-7 days, 30-40 days standby;Control mode: full screen touch control, mobile APP control;Watch languages: Chinese, English, Traditional, French, German, Italian, Spanish, Japanese, Russian, Portuguese, Korean, Polish;APP language: Chinese, Traditional, English , Japanese, German, Russian, Italian, French, Spanish, Portuguese, Thai, Czech, Greek, Polish, Vietnamese, Turkish, Romanian, Hungarian, Danish, Finnish, Arabic, Ukrainian, Hebrew, Irish, Slovak, Korean, Croatian, Swedish, Bokmalvino Weaving;Appearance material 'Shell: metal alloy + stainless steel;Shell: IML high penetration process;Strap: silicone/leather strap/metal strap;Watch size: 265x39x11MM(L W H);Packing size: 172x97x33MM;Packing list:1 x smart watch1 x USB cable1 x instruction manual1 x packaging box