Product Parameters:,Model Number CK11S,Chip Reated,Blood Pressure and Herat Beat Sensor LIS3DG-QFN-16,Six Axis Sensor MLSEP12A,Vibration Silence/Vibration,Waterproof Rate IP67,Compatible System Above Android 4.4 version, iOS version (BT4.0 Support),Feature Dynamic and Static Blood Pressure ,Heart Beat, Blood Oxygen,Main Function Step, Calorie, Distance, Sleep Monitor, Income Call Reminder, Alarm Clock Reminder, ,CID (Wechat, QQ , Facebook, Twitter Reiminder) ,Battery Type Poly Lithium Battery,Battery Capacity 110mAh,Charging Method Magnetic Charge,Charging Time 1.5h,Working Time 5 days Standby Time: Above 10 days,Data Storage Record 7 days Sport Data, 23 days Daily Activities,Control Mode Single Touch,Language Support Chinese, English, French ect Multi-language,Product Size L*W*H=55.2mm*24.1mm*11.2mm,Band Size L*W*H=265mm*18mm*2.6mm,Material Front Shell: Alloy Blasting Nano-vacuum Plating.,Back Shell: PC+ABS, Leather Strap,Color Gold, black,Packing List: 1*Host, 1*Wristband, 1*Charger, 1*Manual,