Main Features:

- Heart Rate Monitor
Real-time monitor your heart rate, you can know your heartbeat condition at any time
- Sleep Monitor
Monitor your sleep time and quality, keep a beautiful skin state 
- Sports Track
Record sports steps, distance, calories burned, etc. data, which lets you insist on sports every day 
- Call Remind
Remind you with vibration in time even in a noisy environment 
- BLE 4.2
With strong Bluetooth chip, the wristband can measure the data more accurately, low-power consumption
- About Compatibility Descriptions
Remote camera function:
Support iOS 8.0 / Android 4.4 smartphones with Bluetooth 4.2, based on the original software, but not necessarily compatible with other romantic photo software
Music player function:
Support iOS 8.0 / Android 4.4 smartphones with Bluetooth 4.2, and native music player, including:
Support the native music players conforming to the Google specifications 
Built-in music player of iOS smartphones can just play downloaded music which has been added from iTunes