Features:
LED indicator light show the working status.
Support for common speaker or headphones.
Free to switch speaker and headphone modes.
Directly use USB port, universal plug and play.USB External Driver-free Sound Card
Wide Compatibility, Support TRS / TRRS mode.
Microphone indicator: The light turns off when the microphone is muted（New and Old version update point, Old version: Red Light When Silence）

Specifications:
2-in-1 (Mic&Earphone) * 1 , Microphone * 1 , Earphone * 1
SNR: more than 80dB
Frequency Range: 15Hz - 25KHz
Other functions: Silence switch, Volume adjustment
Cable length: 10cm

Package Content:
1 x external USB sound card