- High fidelity wireless speaker with metal casing - Wireless technology allows your device to connect with a long lasting 520mAH lithium-ion battery, up to 10 hours playback time - Synchronized buttons allow you to stop, play, skip and backtrack music, as well as increase/decrease volume, TF card supported - Includes USB to micro USB cable to charge internalm battery, a 3.5 mm to connect non-wireless devices - Integrated microphone for handsfree calling over your mobile device