1. Screen:Blue film glass, high hardness glass.
2. Super long standby time, normal standby time is 3 months.
3. 30 meters deep waterproof.
4. Function: step number monitoring, anti lost, sleep monitoring, calls to remind and so on.
5. Ultra-light design, easy and convenient to carry.
6. Compatible with both Android 4.3+ and IOS 7.0+.
7. Bluetooth version: 4.0.