... USB Disk,SD card;2. With A2DP Bluetooth, wirelessly stream music from any Bluetooth-enabled device such as your mobile phone ... operating4. 10 meters operating range5. 3.5mm Aux-in jack for connection from other audio devices6. With remote control, operate this ... Aux-inWorking temperature-25~65°CWorking TimeApprox 2-3 hours for music(medium volume),ACCESSORIES:Audio cable, Charging cable, user manual, ...