Top features: - Play back music from a USB stick or SD card - Six button layout for easy track and volume selection - Enjoy bigger bass from a subwoofer encased in wood Play back music from a USB stickListen to your music the way you want. Edifier XM2 2.1 PC Speakers feature the ability to playback from a USB or SD card, giving you more ways to listen to your music.Six button layoutSix buttons for audio source selection and playback make it easier to control what you're listening to. Select previous tracks, skip forward, pause, and adjust the volume from your speakers.Enjoy bigger bassA 12 W subwoofer is encased in a wooden enclosure that gives a much deeper sound to the bass levels. With bigger bass, you'll be able to feel your music, not just hear it. You'll feel more immersed when watching movies, or playing the latest action games on your PC.