5.1 Channel USB Sound Adapter - Plug in Your Headphones, Speakers, and a Microphone Through a USB Port USB to 3.5 mm headphone and 3.5 mm microphone jack connection Plug and Play and RoHS compliant Supports 5.1 Channel sound Digital Class-B power amplifier Use it risk-free for 10-days: 100% Hassle-free money-back guarantee!