It is equipped with 48V phantom power supply and can be directly connected to capacitor microphone. It is a sound card suitable for its own 48Khz sampling accuracy 2x2 audio interface front xenyx voice amplifier When you need to record, you need a high-quality and stable audio interface. The studio level xenyx puts two in two out 48Khz sampling rate Convenient monitoring the mixed control of this product allows direct monitoring selection. Musicians can clearly hear their performance, so as to obtain better status and recording. Headphone output can directly monitor your voice. Add usb power supply - to go anywhere with your sound card. When you have a music motivation, you can USB a sound card to connect your mobile phone or computer to record your music motivation simply and quickly. Just plug in the microphone or musical instrument to the sound card, and you can get a professional quality recording result. Energy saving, built-in lithium battery, and energy saving Name:Sound card Compatible systems: 7 / 8 / 10 and OS 10.13/10.12/10.11 Android phone: an Android phone that supports type-C transmission interface phone: used with OTG conversion line Feature 1:Live sound card Feature 2:Bluetooth sound card Feature 3:Tuning sound card Feature 4:Singing tuning Colour:black Material:Aluminum alloy Size:14.5 x 11 x 4.5CM Package Contents: 1 x sound card 1 x 6.5 conversion plug 1 x 1 / 2 audio cable 1 x headphones 1 x type-C charging cable 1 x type-C data cable 1 x OTG adapter 1 x Condenser microphone Only 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.