800mAH Rechargeable Battery Use the included USB cable to charge and recharge the speaker for hours of listening enjoyment! Tablet & Smartphone Compatible Quick and easy setup with the ability to pair with any mobile device with wireless Bluetooth technology. Advanced Audio Experience full-range audio with this compact speaker that produces crystal-clear highs and deep bass tones. Auxiliary Jack Alternatively, connect to any audio source without wireless Bluetooth technology using the standard 3.5mm auxiliary jack. Cable not included.