• Built-in Bluetooth(R) receiver for streaming from Bluetooth(R)-enabled devices;• Powerful speakerphone allows user to talk through speaker when receiving a phone call or making a conference call;• Built-in microSD(TM) Card input;• Colorful LED light;• 4W output;• 1,200mAh lithium rechargeable battery;• Black; HEIGHT X LENGTH X WIDTH: 4.92 X 4.92 X 4.92 WARRANTY: NINETY DAYS RETURNABLE: Yes