"Product descriptionProduct name: USB 2 in 1 external sound cardSize: 23mm*20mm*10mmPort: USB to 3.5mm femaleVoltage: DV +5vWorking current: ‰¤38mASignal to noise ratio: ‰¥93dBInput signal-to-noise ratio: ‰¥90dBFrequency: 20Hz-20HzNote:1. This USB sound adapter is specially designed for your new earphones, with a 3.5mm TRRS interface. It does not apply to headsets with independent headset and microphone 3.5 mm audio ports. 2. The USB interface on PS3 does not carry audio signals, so this USB audio adapter does not support PS3.Configuration instructions: Windows: * Right-click the sound icon in the taskbar; * Select a playback or recording device; * Adjust the volume in the computer and applications.Mac: * Go to System Preferences> Sound> C-Media USB Headphones> Output or Input> Volume Package Content: USB external sound card x 1 User Manual"
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