Model: M1 Smartphone OS Compatibility: Bluetooth 4.0, Android 4.3 or above, i OS 7.1 or above Bluetooth: 4.0 Standby Time: About 15 days Battery Type: Rechargeable Lithium Polymer Battery Battery Capacity: 55m Ah Charger: USB (Universal Serial Bus) Charging Cable Waterproof Rating: Normally Water Resistant
Features: Bluetooth, Pedometer, Chronograph, Alarm Clock, Call Reminder, SMS Reminder, Sleep Monitor, Remote Camera, Time Display, Calories burned measuring, Caller ID, Distance Measurement Language: Chinese, English Band
Material: Silica Gel Band
Colour: Dark blue, Blue, Black Case Shape: Rectangle Net weight: 28 g / 0.99 oz