Matrix QUBE Universal Rechargeable Aluminum Speaker. The Smallest, Sexiest, Most Beautiful Speaker to Ever Be Wrapped in Aluminium. Its actually slightly smaller than a golf ball and only twice the weight. Universal Pocket Speaker. 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 up to 8 hours of continuous playback of your favorite music or book. As the speaker connects through a 3.5mm socket its compatible with any device which packs a standard headphone socket so you can plug it into your phone, laptop, tablet, games console or MP3 player, the list is endless. So buy this Matrix QUBE Universal Rechargeable Aluminum Speaker Was £39.99 Now £9.50.