Equipped with 2-in-1 port of microphone & earphone + earphone + microphone port, support simultaneously using of two people
External volume adjustment button, easily control the volume
Adding with mute switch, more convenient
Upgraded 10cm round cable, more durable and easy to use
Driver-free, plug and play
Specification:
Material: ABS
Input interface: USB 2.0
Output interface: Microphone, 4PIN earphone & microphone, earphone
Signal to noise ratio: >=80dB
Frequency response range: 15Hz - 25KHz