Fully mobile 2.1 Bluetooth speaker with powerful 1000 mAh battery for up to 5 hours of listening and takes about 3-5 hours to charge. The speaker is able to play songs from USB sticks and SD cards and other external audio sources via the AUX input which makes it ideal for traveling thanks to battery operation and carrying strap. Furthemore, you are able to stream songs wirelessly from smartphones and all other Bluetooth-enabled devices.To complete the range of functions, the Dr. Beat features an FM radio tuner to receive regional radio programming. The sound is taken care of by the set of a high/midrange 2'' speaker with the power of 2W (2,4 ohm) and a 3'' subwoofer with the power of 5W (4 ohm). The dimensions are 140 x 125 x 250 mm and the weight 1kg.