Product Introduction: This is USB sound card which support volume output adjustment and bass adjustment.Transmitting microphone input signal and stereo output signal through USB cable.It could connect to devices such as computer,Pad,smartphone and ,etc.It is very suitable for connecting audio, audio and video conference, audio and video live broadcast, game entertainment, teaching and other .Product Features: Support Windows/Linux//IOS/Android/ systemSupport 16bit/44.1Khz, 16bit/48Khz audio sampling rateSupport16~600Impedance headphone; Support volume output adjustment and bass adjustmentSupport one 3.5mm headphone port, one 3.5mm microphone port; Type-C charging portProduct Specifications:USB Version-USB2.0Support audio format-PCMMicrophone type-electret microphone16heaphone power-26mW32heaphone power-38mW150heaphone power-38mW300heaphone power-21mW600heaphone power-16mWCharging voltage-5V/130mABare size-70.5 x 80.3 x 21.2mmWorking environment temperature-15 to +55Color: BlackMaterial: aluminum alloyPackage Contents:1 x USB C Sound Card1 x USB Cable1 x English manualOnly the above package content, other products are not included.Note: Light reflection 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 +/- 1-3cm.