. Logitech® Stereo Speakers Z120 make it simple to connect just about any audio source. They receive audio through a standard 3.5 mm plug and get power from the USB port so no wall plug is required. You can easily enjoy your favourite music videos and more. With integrated power and volume controls it's a snap to get the sound you want. The compact size doesn't take up a lot of room on your table or desk so it's easy to move your speakers from room to room. And the cable management system helps eliminate cord clutter. Features and; Specification . USB powered 3.5 mm audio input Compact size Cable management Power and volume controls 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 2 Year Warranty. .