Thinkplus Lenovo Portable Bluetooth Speaker, Mini Wireless Speaker with Loud Stereo,Booming Bass, Outdoor Speakers with Bluetooth 5.0, Dual Pairing for
Colour Black Shape Square Connectivity technology Bluetooth, NFC Screen size resolution:2.08 inch 240*296-TFT Waterproof level:IP67 APP:WearFit pro System requirements:android5.0+