New - Portable Wireless Bluetooth Speaker Compatible Devices: iPhone , Philips GoGear , iPod nano , iPod Classic , iPod Touch  Contained Battery Type: Lithium Ion  Connector Type: Bluetooth , Wired Battery Life: 4 hours  Power Type: Batteries  Compatible Brands: Universal  Assembled Product Dimensions (L x W x H): 4.30 x 4.30 x 10.63 IN Portable, hands-free Bluetooth speaker  Wirelessly stream music and movies anywhere up to 30'  3.5mm line-in jack for playing MP3 and other audio devices Built-in rechargeable lithium battery  BlackWeb Bluetooth speaker with up to 4 hours of battery life  Light shining Passive radiator for rich bass