Waterproof Grade: IPX 4     
Bluetooth 2.1 (RDA),Auto Pairing                                                       
Support hand free talk                                
Specially-tuned Radiative 3W  driver
Battery Capacity: 1000mAh, for up to 5 hours playback                  
One Key simply design(Long-press for On/off, short press to switch light effects                                     
Dynamic Light for Dance, Breath lights for quite ambience
Detachable silicon protection cover, can be use for different place
With specially-tuned driver the music comes out loud with steady bass in a limit size