Features:
1. LED indicator light show the working status.
2. Support for common speaker or headphones.
3. Free to switch speaker and headphone modes.
4. Directly use USB port, universal plug and play.USB External Driver-free Sound Card
5.Wide Compatibility, Support TRS / TRRS mode.
6.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: >=80dB
Frequency Range: 15Hz - 25KHz
Other functions: Silence switch, Volume adjustment
Cable length: 10cm

Package Content:
1 x external USB sound card