usb to 3.5mm jack speaker + microphone

100% brand new high quality
USB bus power supply mode, no external power supply
Connector: USB Type-
A, stereo output jack, mono microphone input jack
Function keys: microphone mute, speaker mute, volume up, volume down
Windows 98 SE / ME / 2000 / XP / Server 2003 / Vista, Linux, MacOC
No Driver Required System Requirements: Desktop or laptop with USB port
Xear 3D (Virtual 7.1 Channel Sound Simulation Software) / Windows 7 / Windows 8 for Windows XP / Vista
USB 1.1
The USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface
Available for desktop or laptop / laptop systems. It will
Your stereo speakers or headphones turn into a 7.1-channel environment, with no drivers
Just plug and play instant audio playback is also compatible
All major operating systems
specification:
Size: 52 * 22 * 12 mm
Net weight: 8 grams