With this mini music speaker, you can enjoy the best home theater sound. This compact travel speaker system is ideal for use at the office, home, on the go! Specifications: Line in: 3.5mm stereo's plug Charged By: Mini USB Ports Product Size: Approx. 45*50*70mm Light weight and compact, easy to take and use Compatible with: most devices with 3.5mm audio line out (iPhone, iPod, MP3, MP4, CD, DVD, GPS, PSP, mobile phone, PC, laptop, notebook, etc.) Yellow Light Show when Powered on.