With 90W sound output, these speakers are perfect for playing music, games, movies and online videos on both MAC and PC. Note: Enable or disable the function of the PRO-LOGIC in case of USB/SD/FM/BT, You can switch the output from 2.1 to 5.1 and in case of DVD mode, it selects between prologic off (real 5.1) and prologic on(for surround sound). Ultimate Bass performance 5.1 Surround sound Rich bass 90W RMS total output power Connect All your Gear FM tuner for radio enjoyment Perfect for MP3,PC,TV,CD & more Simplicity in Use Works with any Bluetooth-enabled device Bluetooth Enabled Bluetooth is a short range wireless communication technology that is both robust and energy-efficient. The technology allows easy wireless connection to other Bluetooth devices, so you can play your favorite music from any smartphones, tablets or even laptops including iPod or iPhone on Bluetooth-enabled speaker easily. USB and SD Card Slots for Photos and Music Playback Thanks to the complete file transferability, you can easily enjoy the convenience and fun of accessing more music and photos via the USB and SD card slots. FM Tuner The built-in FM tuner lets you enjoy your favorite songs or news from your radio station every day. Simply tune into the station that you want to listen. DeepBASS Technology DeepBASS ensures you hear even the deepest bass tones from compact-sized subwoofers. It captures low frequencies and recreates them in the audible range of the subwoofer- delivering sound with more boom and panache and ensuring you a full uncompromised listening experience.