[D See chart]

Three-hole output: Three-hole output, with a two-in- headset and a separate headphone jack, which can support two at the same time.
Singing or voice: support microphone or audio connection, create a family KTV, voice connection video chat more fun.
Adjust the volume: The external volume adjustment knob can freely adjust the volume level. At the same time, the headset or microphone mute switch button is added, which is convenient to use.
Suitable for most earphones: compatible with mainstream equipment, support TRS and TRRS two modes, compatible with most earphones, can convert the analog signal output from the interface of tablet computer, notebook, desktop computer, audio, etc. into digital signal output.
Driver-free sound card: Plug and play, driver-free supports operating systems such as Windows/ os/ Linux, no driver is required.

Description:
The USB multi-function external sound card can bring you shocking sound effects when playing games and watching TV series.
Specifications:
Model: SC2
Input interface: USB 2.0
Output interface: microphone interface, headphone interface, 4PIN headset composite interface
Signal to noise ratio: ≥80dB
Frequency response range: 15HZ-25KHZ
Headphone indicator:
Microphone indicator: red, lights up when muted
Other functions: mute switch, volume adjustment
Support system: Windows / OS / Linux
Cord length: 10cm
Package Included:
1 * USB External Sound Card (without battery)

Notes:
1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.