• Bluetooth(R);• Flashing LED lights;• Powerful speakerphone allows user to talk through speaker when receiving or making a conference call;• Built-in aux input, USB port & microSD(TM) Card slot;• Built-in 1,000mAh lithium rechargeable battery lasts up to 4 hours between charges;• Black; HEIGHT X LENGTH X WIDTH: 4 X 7.6 X 5.2 WARRANTY: NINETY DAYS RETURNABLE: Yes