Connectivity USB powered: Your speakers get power from the USB port on your laptop or netbook—no wall outlet required. 3.5 mm audio input Compact size Cable management Description Logitech Z120 Stereo Speaker, compact, versatile speakers are simple to connect and easy to control and enjoy. Technical Specifications: Total watts (RMS): 1.2 W Hardwired USB connection (for power): 1 Hardwired 3.5 mm connection (for audio): 1 Controls: Power and volume controls on right speaker Connect what you want: You can plug in any audio source that uses a standard 3.5 mm plug, like the headphone jack on your MP3 player. Control it effortlessly: The power/volume controls and cable management system make it simple to enjoy whatever you are listening to. Warranty 02 Years Warranty