Genius SP-HF160 2W Compact Wood 2.0 Speakers / USB Powered Speaker Set Get rich stereo sound in a compact design! SP-HF160 is a USB powered wooden speaker with four watts of total RMS power, delivering clear vibrant sound and deep bass reverberation. Even with a small package design, SPHF160 produces amazing sound quality and transforms your computer into a superb hi-fi stereo sound system. You can use it just about anywhere with your notebook or PC. Simple to set up and control, these speakers make it easy to enjoy your music, movies and games. Just insert the USB plug to a PC/notebook for power and the 3.5mm audio plug into your music playback device. Total RMS power 2 Watts x 2 Driver unit 3.5” Power supply USB plug to laptop or desktop computers Volume control Yes Audio input 3.5mm Power cable length 1.