True Wireless Stereo (TWS) - connect 2 speakers via Bluetooth simultaneously. Fire Light Show - colorful LED lights dance and change to beat of the music. USB Micro SD and Auxiliary inputs play audio from non-Bluetooth devices. Control mic volume echo bass/treble and mic priority. Built-in FM radio. Convenient handle. 1 Microphone input. System type: 2 x 8" woofers + 1" tweeter. 40W Total power output. Built-in rechargeable 7.4V 4000mAh battery. Dimensions: 9.84" x 9.84" x 22.05". Includes: Remote control. Microphone. Power adapter. Auxiliary cable.