Brand Amazon Basics Model Name Speakers for PC or Laptop Speaker Type Computer Connectivity Technology USB Special Feature USB-Powered About this item External USB Plug-n-Play Speakers in Black (set of 2) for amplifying PC or laptop audio USB-powered with plug-and-play setup (no drivers needed) In-line volume control for easy access Blue LED lights; metal finish and scratch-free padded base Bottom radiator for “springy” bass sound Frequency range of 80 Hz – 20 KHz; 2.4 watts of total RMS power (1.2 watts per speaker) Product Dimensions: 3.9 x 2.6 x 2.8 inches (LxWxH)