• Ugreen USB Audio Adapter is designed to solve your problem of missing an audio adapter or 3.5mm audio adapter not working, allowing you to immerse yourself in a fantastic audio world
• Make sure the USB audio adapter is set as your primary playback and recording device in your Control Panel or System Preferences
• The 4-pin combo microphone/headphone jack only supports the TRRS CTIA standard, not the TRRS OMTP standard
• The input to the microphone jack and combo microphone/headphone jack only supports mono
• Please make sure your mobile phone supports OTG function when using it on a mobile phone

Specifications:

• Input: USB 2.0 A male
• Output: 3.5mm headphone jack, 3.5mm microphone jack, American standard 4-pole headphone jack
• Signal-to-noise ratio: ≥85dB
• Frequency response range: 20Hz-20KHz
• Product size: L74 x W34 x H15.5mm
• Line length: 15cm