boytone 2.1-ch wireless bluetooth shelf speaker system powerful sound with fm radio remote control, aux-in port, usb/sd/for phone's, laptops, 30 w2.1 Multimedia HiFi Speaker System with Bluetooth enabled sound for wireless listening and SD, AUX and USB connectivity to get serious sounds with 2500w pmpo output for music, movies and games. 2500W PMPO (Peak Music Power Output) FM Tuner MP3 Playback Bluetooth Support USB/SD Support Bass & Treble Control Digital Display Remote Control Specifications Output Power - 30W+15W*2(RMS) Subwoofer - 6.50" 60 ohm 20W + Satellite 3" 4ohm 10W*2