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. With 3 watts output and Passive Vibrating Bass(PVB) technology, get ready to be amazed. 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.