USB Connectivity.Built-in Controls.90 Hz - 20 kHz Frequency Response.USB cable (1.2 m) There are plenty of speakers out there, with more features than you'll ever use, and price tags that will make millionaires blink. Sometimes, you just want a good basic set of speakers. Logitech S150 understands. These speakers will deliver what you need: acoustic quality stereo sound. The controls are all you ever really want: volume control, USB connectivity and a LED power indicator. These speakers will keep sound quality up without putting a hole in your pocketbook.