This device has double USBports for headphone and microphone, also features with some greatfunctions such as karaoke, output level adjustment, microphonerecording, and switch headphone and microphone mode freely.
3D stereo simulation software; you would appreciate its excellentsound quality.
USB class 1.0 and 2.0 full speed, its highly flexibleaudio outputs can be used with any laptop or desktop, as well ascompatible with any kinds of impedance headphones, regularheadphones and microphones. Plus, it has LED indicators, makes iteasier to see. Just connect to the headphone and microphone; youare all set to go to enjoy the wonderful sound quality and itssmall size!
Key Functions: Headphone Mute, Microphone Mute; Volume Up andDown
Noise Ratio: 9dB
Supports System: Windows 98/2000/XP/VISTA/7, SE, ME, Linux, Mac OS10 or higher.