specification: Item Type: Smart Bracelet
Material: ABS, PC, Silicone
Battery: Lithium battery x1 (200mah) (shipped with built in battery)
Bluetooth Function: With Bluetooth function
Use: Monitoring and analysis of human heart beat, blood pressure, blood oxygen, pedometry and other indicators through built in sensors
Screen Size: 1.31 inches Features: 1 Smart Monitoring: The smart bracelet can monitor and analyze the human heart beat, blood pressure, blood oxygen, pedometer and other indicators through the built in sensors. 2 Reminder Function: The bracelet has smart alert function when the phone calls or SMS, long battery life and up to 15?21 days. 3 IP68 Waterproof: The bracelet can be worn during various water sports such as swimming, so you don't have to worry that the watch will be damaged if it touches water. 4 Sports Mode: Built in a variety of sports modes, monitoring sports data and support sports tracking, which helps your health management. 5 Bluetooth Connection: The watch can be connected with cell phones and other devices, which is convenient for you to have a more comprehensive understanding of your health status.

What's in the box
2 x WatchBand
1 x Watch Dial
1 xCharging Cable
1 x User Manual