XiaoMi Mi Band Bluetooth V4 Waterproof Smart Bracelet w/ Sleep Monitoring / Sport Tracking – Black

Features: Recording the sports data everyday; Smart vibration alarm clock; Automatic sleep identification without manual switch, automatically monitor sleep; Recording sports data of the whole year on APP, and providing a healthier suggestion; Cell phone binding identity, without password to unlock cell phone; Coming calls reminder function. General Brand Xiaomi Quantity 1Piece Color Black Material Silicone Specification Water-proof IP67 Bluetooth Version V4 Touch Screen No Compatible OS Supports Android 4.4 or above, Bluetooth V4 Android cell phones; Suitable for IPHONE 4S/5/5C/5S/6/6 PLUS with iOS 7 or above. (2015/02/03 updated) Battery Battery Capacity 41mAh Battery Type Li-polymer battery Standby Time 30days Other Features Other Features APP download web: http://app.mi.com/detail/68548 Dimensions & Weight Dimensions 96 in x 0.67 in x 0.35 in (23 cm x 1.7 cm x 0.9 cm) Weight 0.46 oz (13 g)