The Logitech stereo speakers Z120 are compact, versatile speakers are simple to connect and easy to control and enjoy. They receive audio through a standard 3.5 mm plug and get power from the USB port

USB powered
3.5mm audio input
Compact size
Cable management
Power and volume controls
Total watts (RMS): 1.2 W

System Requirements:

Computers, music players and other audio sources with 3.5 mm audio out
Powered USB port.