1. Screen: 0.96 inch OLED touch screen display.
2. Bluetooth version: 4.0.
3. Compatible with Android 4.3 and above and iOS 7.0 and above phones.
4. Built-in 75mAh lithium-ion battery.
5. Adopt high quality skin-friendly medical materials, wear close skin, free and comfortable.
6. Special Features: Pedometer / Real-time Heart Rate Monitor / Mileage Detection / WeChat Reminder / Sleep Monitor / Notification Reminder / Bicycle Mode.
7. The fashion bluetooth smart bracket may be a good helper in daily life or in work.
8. Using time: about 5-7 days, standby time: about 30 days.
9. Waterproof: IP67 international standard waterproof.