When you went to sleep, it will automatic track your sleep quality, you can make changes and improves sleep quality. Built-in 200 mAh high quality polymer li-ion battery, fast recharge, long time stand by, around 5-7 days. It can read recent 7 day's data and recent 10 times exercise data.
- 0.96 inch OLED high resolution display. - Built-in 200 mAh high quality polymer li-ion battery, fast recharge, long time stand by, around 5-7 days. - Real time to track your activity heart rate level of recent 16 hours, sets your heart racing, it tracks your hustle. - Support GPS movement track : Running, Pedometer, Cycling, Climbing (distance, altitude, speed, activity time, step frequency, steps, calorie, cycles). - It can read recent 7 day's data and recent 10 times exercise data. - Support forAndroid 4.4 and IOS 8.0 or above phones. - More functions: Sleep monitor,sedentary reminder, Time, Pedometer, calorie burning monitor, Distance, sport time, sleeping monitor, heart rate vibrate,calender,sedentary, thermometer.
- Color: Black and White. - Material: Silicone. - Size: 23 x 1.95 x 1 cm. - Screen: OLED 0.96 inches dynamic color screen. - Battery: polymer Lithium 200 MAH. - Stand by: 10 days. - Normal use: 5-7days. - Frequently use: 2-3 days.