1.Compatible with MP3, MP4, iPod, Computer, CD player 2.It is very portable 3.Good quality,popular with many people 1) Compatible with any audio player with a 3.5mm jack, such as MP3, MP4, iPod, Computer, CD player.2) Metal grilles protect your speakers while traveling.3) Quad micro-driver design delivers crystal & clear sound.With rainbow light at the bottom and volume control4) Power Supply: AC ...