Bluetooth speaker supports v2.0 and has a 33 foot range. Compact, round design with small footprint. Pairing button with LED pairing indicator. Rechargeable battery lasts 2.5 hours per charge. Includes micro-USB to USB cable for recharging Now you can take great sound with you anywhere. With its small footprint, great sound, and Bluetooth connectivity, ISB33S is the perfect speaker for those on the go. It's compact round design and built in rechargeable battery makes it a perfect travel companion. The built-in Bluetooth speaker supports Bluetooth v2.0 and profile A2DP (Advanced Audio Distribution Profile). The pairing button and LED pairing indicator make it easy to tell if you are properly connected. In the box with the speaker there is a micro-USB to USB cable for charging the battery - which gives you up to 2.5 hours of battery life per charge. iLive products are specifically designed to enhance your digital devices including iPod, iPhone, iPad, Android, Blackberry, Mobile Phones, Tablets, Televisions, and Bluetooth Devices. Our focus is on delivering a great product that serves as an extension of a these devices, in both design and function, without compromising on audio quality, feature-set, or ease-of-use.