• 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