2.1ch Multimedia Speaker WP-202 2.1ch PC Speaker, With Bluetooth Player With 2 way microphone Karaoke funtion With full function LED Display with SD and USB function with FM Radio with AUX Input with Bluetooth function(option) with Bass and Taeble volume rotary control Outpower Total:40W (Subwoofer: 22W, Satellite: 9W x 2) Input Voltage: 100v/120v/220v/230v/240v (option)