No power required! – Well maybe just one USB wire. USB powered stylish designed 2.0 audio system for desktops and all portable device.

FEATURES
Compact sizeFlat panel style, designed for use with LCD monitor
Magnetically shielded speakers USB power supply
Volume controlHeadphone jack
SPECIFICATIONS
Signal to noise ratio : 80dBA
System Frequency Response : 150hz ~ 20kHz
Audio input : 3.5 mm stereo line-in
Input Voltage : DC 5V USB power supply
Gross Weight : Approx. 0.55 kg