A built-in rechargeable lithium battery extends your listening enjoyment for up to eight hours of continuous playback. Battery can be recharged using standard USB charger (not included with Cube) or computer USB port's power.
A special adaptor for the iPod Nano is available. With the adaptor in play, the duo becomes one of the world's smallest, high-quality music systems.
Product Dimensions: 2.3 x 2.3 x 2.4 inches ; 5.6 ounces