U6 Subwoofer Portable Sport BT Wrist Speaker TF Card IPX4 Waterproof Music Player

Features:
Mini and portable watch/armband design, a perfect partner for outdoor activities.
Adopts superior material, provides you comfortable wearing feel.
Simple and fashion appearance looks fresh and comfortable.
Not only be used as BT speaker, but also supports TF cards playing.
Provides outstanding stereo sound with an impressive volume.
The wire-less BT transmission distance up to 10m and more.
Built-in large capacity lithium-battery, supports long time use.
IPX4 waterproof, can be used in the open air.