Surround yourself in the video games, music, and movies you love with the HRM2 boomchair. Features a pair of 3-inch 2-way speakers, a 4-inch sub-woofer, interactive vibration motors, rugged canvas surface with breathable padded mesh comfort zones, as well as an adjustable headrest. Adjustable vibration, volume and bass/treble. Folds for convenient storage. Easily hooks up to any video game system, dvd or cd player, or any portable mp3 device.