Features:

Compliant with USB2.0 Full -speed ( 12Mbps ) specification
Compliant with USB Audio Device Class Specification1.0
Compliant with USB HID Class Specification1.1
USB bus - Powered mode. No external power required
Connectors: USB Type - A, Stereo output jack, Mono microphone- input jack
Functional Keys: Microphone-Mute, headset-Mute, Volume-Up, Volume-Down
LED Indicators: Microphone-Mute Status. Activity
System requirement:
Desktop or notebook PC with a USB port. Windows 98 /SE /ME /2000 /XP / Server 2003 / Vista / 7 / 8 Linux . Mac05 10 or higher
Brand New;(Never used)

• Connectors : USB type - A, 2 stereo output jacks, 2 mono microphone- input jacks
• USB powered, no external power required.
• It is no driver required for windows 98se / me / 2000 / XP / server 2003 / vista, Linux and Mac05
• Complaint with USB 2.0 full -speed ( 12 mbps ) specification
• Virtual 7.1 4 Channels CH Sound

Connectors : USB type - A, 2 stereo output jacks, 2 mono microphone- input jacksTopbeu