Tego Audio Nova Mini Portable Speaker - Black/Chrome Plugs into any 1/8" (3.5mm) headphone jack Patented "Bass Chamber" collapses for easy carrying, and expands to boost your music's bass Patented "Daisy Chain" feature allows you to link multiple NOVA speakers, and take your sound to the next level Lithium Ion battery recharges over USB 8 hour playback time on one full charge 1 year warranty Dimensions: 68.5 x 68.5 x 42mm (closed) Net Weight: 3.4oz