Tilt, swivel, and roll to the music with the X Rocker Sound Office Chair. The X Rocker office chair gives you all the practicalities of a desk chair, plus so much more. With a premium lithium ion battery that lasts up to four or more hours, hidden speakers, and 2.0 Bluetooth technology, you can enjoy hours of stereo-quality music. Whether for work or play, you'll be in comfort thanks to the ergonomic back support and padded armrests. The durable and stylish black and gray vinyl seating surface w