USB-Powered Computer Speakers with Volume Control for Desktop or Laptop PC, Compact Size, Headphone Jack, Portable, Plug-N-Play, Black

USB-powered (5V) speakers connect directly to your computer for portability. A single front-mounted control handles both power on/standby and volume adjustment. Simple plug-and-play operation requires no drivers. A 3.5mm jack allows for headphone use. The frequency range is 103 Hz to 20 KHz, with total RMS power of 2.2 watts (1.1 watts per speaker). Dimensions are 2.76 by 3.55 by 5.3 inches (LxWxH), and weight is approximately 1.4 pounds