Little can, big sound. You won't believe your ears. Rechargeable battery for ultra-portability (up to 5-6 hours per charge). Bluetooth wireless: stream music wirelessly from your smartphone. Easy pairing and connection with iPhones, iPads, and Android devices. Aux in input provides a wired connection for virtually any device This wireless Bluetooth speaker provide big sound in a little package, providing the punchiest 2 watts of sound around via a Bluetooth wireless or a line-in connection. This speaker features a rechargeable lithium polymer battery providing 6 hrs. of playtime at normal volume from a single charge. It supports Bluetooth v2.1, with a 30-foot wireless operating range, LED pairing indicator, and pairing button.