This Speaker Delivers Durability, Flexibility, and Outstanding Audio Performance with Exceptional Range. 6 High Efficiency Woofer. Built-In BT Receiver Allows You to Wirelessly Connect to your iPad, iPhone, iPod, Smartphone & More. USB/Micro SD & AUX Inputs Allow You to Connect Your Non-BT External Audio Devices. FM Radio. Flashing LED Lights that Change with the Beat of Music. Rechargeable Lithium Battery (2200mAh). Volume/Mic Volume/Echo Gain Controls. 1 Mic Input (1 wired mic included). AC Power Supply: 110-240V. Remote Control Included. System Type: 6" Woofer. Frequency Response: 30Hz-20KHz. Sensitivity (1w/1m): 90+/-2dB. Impedance: 4 ohm. Peak Power Capacity: 250Watts. Program Power: 15W. Red.