Includes an FM wireless three-channel audio transmitter, two 2-way speakers, and an integrated subwoofer for excellent sound. * Well-padded, sleek design with arm rests allows for comfort and high-tech fun. * Easy touch control panel includes an on/off power button, volume & bass controls, channel selection & a headphone jack. * Foldable space-saving design for easy storage. * Meets or exceeds all CPSC standards. Two AA batteries required (not included)