Compatible with MP3, MP4, iPod, Computer, CD player 1) Compatible with any audio player with a 3.5mm jack, such as MP3, MP4, iPod, Computer, CD ... ) Quad micro-driver design delivers crystal & clear sound.With rainbow light at the bottom and volume control4) Power Supply: AC power; Frequency ... Power: 3W*2; Impedence: 4ohms6) Cord Plug: stereo 3.5mm new hot popular bomb computer speaker speaker box