Features:

- Recording sports data in daytime and sleeping data at guide healthy living lifestyle.

- Host comes with a standard USB port, special design to charge through connecting PC and mobile driver.

- Computers and Android dual-mode synchronous data.

- Host syncs via wireless Bluetooth, also PC via USB.

- Designed with IP67 for good waterproof performance.

- Using LED lights and vibration motor to remind twice.

- 35 days money back or item exchange warranty for this item.

Shopping link: Bluetooth Sports Bracelet Watch