id America TouchTone Portable Wireless Speaker - Black (IDHS101-BLK) Built-in rechargeable Lithium-ion battery 4 hours of battery life for music playback Bluetooth A2DP V3.0 USB voltage DC 5V 2W x 2 power output Comes with: TouchTone Portable Wireless Speaker, , Premium Suede Carrying Pouch Micro USB Charging Cable, Aux-In Cable.