12" Portable Bluetooth Speaker 12" 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 Flashing Lights Change to the Beat of Music FM Radio Rechargeable Lithium Battery Volume/Mic Volume/Echo Gain Controls 1 Mic Input (1 mic included) AC Power Supply: 100-240V DC Power Supply: 2200mAh Remote Control Included Frequency Response: 40Hz-20KHz Sensitivity (1w/1m): 78 /-3dB Impedance: 4 ohm RMS: 35W Accessories: Microphone, Remote Control & User Manual