UGREEN 40964 USB 2.0 External Stereo Sound Adapter Black has ≥85dB Signal Noise Ratio. Its frequency response is 20Hz-20KHz, It has the function of forbidden, forbidden, and volume adjustment to support hot plug and drive. This adapter input is USB 2.0 A Male and the output is a 3.5mm earphone port，3.5mm microphone port， and US Standard 4-Step earphone port, signal to noise ratio is ≥85dB.
|External volume control, free to adjust volume according to your habit
|Unique mute-switch design, independent earphone/mic, mute button, store whenever you want
|With OTG cable, you could sing your love by connecting a microphone
|Perfect sound effect, introducing smart noise-reduction chip of SSS1629 that makes high performance, LED indicator light makes clear of real-time working status, Universal compatibility, free drive for Windows/Mac OS/Linux system