Wearable Bluetooth speaker

Ideal for sports & outdoor activities 
Color: blue, red, grey, black, camouflage
Bluetooth version 4.0 
Play time: 5h
Support format: U disk, TF card (maximum support 3G - card not included)
Interface: AUX interface, TF card slot, micro USB interface
Function: FM radio, Bluetooth connection, voice prompt, AUX connection, USB
Includes a four-way stretchy cover that will not cause static and dust will not cling