AT&T Hot Joe Portable Wireless Speaker for Smartphones - Retail Packaging - Gray Streams Music Up To 30ft Over Bluetooth(r) A2dp Rechargeable Battery With 4 Hours Continuous Playback Works With All Smartphones, Tablets & Media Players 3.5mm Aux Input Over 4 hours of operating battery lifeBluetooth 2.1 connectivity for any Bluetooth enabled smartphone, tablet or computer Light and compact design gives Hot Joe ultimate portability Features a rechargeable battery so that you don't have to waste your time or money buying new batteries If your device happens to not support Bluetooth connectivity, Hot Joe has you covered with a 3.5mm auxiliary input