\"Brand Name: OricoItem: ORICO USB Sound Card Free DriverInput Interface: USB2.0Output Interface: Speaker Microphone, 4-pin headphone and speaker, headsetSignal to noise ratio: more than 80dbFrequency response range: 15Hz~25KHzHeadphone indicator: blueSpeaker: RedSpecial function: mute switch, volume adjustmentSupport system: Windows / MAC OS / LinuxCable length: 10cmPerformance and advantages1. LED indicator shows working status.2. Support common speaker or earphone.Microphone recording.3. Free to switch speaker or headset mode.4. Use USB port directly, universal plug and play.5. USB driver-free external sound card6. Expand 3 output ports through USB port7. Adjustable volume.With an external volume adjustment knob, it is easy to control the volume according to your needs.8.Wide compatibility, support TRS/TRRS mode.Warm tips: The microphone is OMTP standard. Some of the microphone can't work if the standard is CTIA, such as iPhone earphones and three-piece earphones.colour:blackMaterial:plasticsize:163*35*16mmPackage Contents:1 * Independent USB Sound CardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.\"