HDTV, iPod, Game console, DVD player, Just plug in your entertainment gear and you can immerse yourself in big 5.1 surround sound-even from your 2-channel stereo music, movie and game tracks. Equipped with Bluetooth, so you can connect wirelessly from any Bluetooth media device. 4" Amplifier x1 + 2.5" Speakers x5 1 SDMMC Card Slot 1 USB port Output Power: 25W+10W*5 Frequency Response: 40Hz-20KHz Separation: 50dB S/N Ratio:75dB USB,SD Compatible FM Radio Bluetooth Remote Control Included (Remote requires 2 AAA batteries, not included)