|Its actually slightly smaller than a golf ball and twice the weight. With 3 watts output and Passive Vibrating Bass(PVB) technology, get ready to be amazed. Don't let its size fool you; the QUBE is loud enough to fill large room with rich stunning sound. Equipped with a built in rechargeable battery, get ready for upto 8 hours of continuous playback of your favorite music or book. It is the smallest, sexiest and most beautiful speaker. Dimensions: 38mm x 38mm x 38mm.