* HIFI Bluetooth SpeakerA2DP Bluetooth, wireless stream music from any Bluetooth enabled device* Secure simple pairing for user friendly operations* 10 Meter operation range* Supports USB port and line-in function* Built-in lithium rechargeable battery: 1800mAh* 7 Color bright pulsating lights* Bluetooth version 2.1* Supports A2DP and AVRCP profiles* Horn Size: 2.5 Inch, Horn Output: 6W 4 Ohns