All-in-One Fitness Tracker - Waterproof Smartwatch with USB Charging & Bluetooth

Convenient Built-in USB Plug: Hassle-free charging via built-in USB port; simply connect to a computer or a standard USB wall adapter. (Charging cable not included). Wide Compatibility: Compatible with iOS 9.0+, Android 4.4+, and Bluetooth 4.0+ devices.

eBay