Bluetooth Speaker with LED light show. Output Power of 25W. 2 x 6” Woofer. Karaoke Function, LED display. TF Card function, FM Radio, USB Connection Rechargeable 3000 mAh Lithium battery. TWS (True Wireless Stereo) Allows you to connect two M.TK TF4161 for stereo sound experience. Remote control included. Advanced wireless technology allows you to connect to your favorite devices easily.