Material: ABS, PC, TPU, 201 stainless steel button. Battery capacity: 80mah Battery type: lithium polymer battery Display screen: 0.96 high definition IPS color screen FTF process A, P, P: ledong health Device requirements: mobile phones with bluetooth 4.0 support Android4.3 or IOS8.0 or above Color: black, blue, red Can work: dynamic heart rate, blood pressure testing, blood oxygen monitoring, step motion meter (3 d sensor), calories, distance, bluetooth link, phone calls reminding, information remind, raised my hand against the bright screen, smart alarm clock, find bracelets, remote picture, sedentary remind, sleep monitoring, information push (SMS, micro letter, QQ, Facebook, Twitter, WhatsAPP, etc.) information reading, etc. Specification Hardware Bluetooth Version: Bluetooth 4.0 IP rating: IP68 Waterproof: Yes Functions Alert type: Vibration,Indicator Light Bluetooth calling: Phone call reminder,Caller ID dispay,Reject answer the phone Bluetooth distance: W/O obstacles 1...