Get hands on the most compact, intense voice output yet energy saving, bluetooth-driven KDM Wireless Speaker series that are created to give you the experience of what the ultimate audio anent technology feels like. music time : 4 hr Audio : Clear audio and enhance bass Color : Available in 5 different colour Bass : Powerful Bass CompatibilityCompatible with smartphones and music players computers and player Application : You can also connect aux pen drive to play your playlist Feature : Just shake to play the next song Charging time : 1 hr Colors : Black, Blue, Gold, Red, Silver