Great Compatibility: these USB speakers works well with your PC, desktop, laptop computers, on USB mode; if you switch to Bluetooth mode, they work with more and different audio devices including cellphones, tablet and other mobile devices with Bluetooth feature. [Not for Xbox]. Bluetooth/USB Connection, Plug & Play: you can connect the USB plug to your computers, and speakers work, plug and play, no need extra driver; after connecting into power source, you can also switch to Bluetooth mode, and connect your mobile devices to play audio easily. Easy-Access Control: 4 functional buttons are placed on the front side of computer speakers, you can easily one click or double click each button to power ON/OFF, change LED mode, switch Bluetooth/USB connection, volume up/down and other control. 6 LED Modes: with 6 colorful lighting modes, you can easily switch different LED mode to fit your PC/desk setup; you can also turn off the light and only enjoy the sound from these gaming speakers. Superb Sound Quality: these desktop speakers are featured with two powerful 5W driver units tuned by audio experts and pro gamers, provide with rich stereo surround sound, bright mid & treble, plenty of bass. You’ll enjoy crisp sound, and get immersive gaming experience.