Model: P55. Speaker size: 8 inch. With LED Display. With USB/TF/BT/FM/AUX Radio. Sealed Woody Speaker Box. Stylish Panel. With Main Volume Adjusting. High-Capacity Lithium Battery. Output Power: 300W. Input: DC-5V. Built-in Battery. Frequency response: 150-18KHz. FM: 87MHz-108MHz. In box: Speaker, Mic, Remote, Micro-USB cable.