cnBro Smart Fitness Activity Tracker - Heart Rate Monitor Sleep Tracker Waterproof

*Functions: - Heart Rate Monitor - Sport Modes - Sleep Tracker - Remote Camera *Hardware: Bluetooth:5.1 Full Charge Time:2 Hours Battery Capacity:16mAh APP:Jring Standby Time:One full charge gives you(5 days of working time),standby time up to 10-15 days iOS 10.0 or above,Android 5.0 or above *PAREMETER: Dial Case Thickness:9.9mm (0.39") Band Width:14.5mm(0.57") Band Length:220mm(8.66") - IP68 Waterproof - DO NOT suitable for hot water bathing,diving. - 1*Smart Bracelet - 1*Charging Line - 1*User Manual