Product information:

Model: v9 Interface: USB Support channel: dual channel Chip: DSP Installation method: external With dual channel support, the V9 Mobile Phone Live Sound Card Set allows for crystal clear sound as you record your performance with the built-in DSP chip. Simply plug it in to your phone's USB port for easy and convenient external installation. Perfect for creating professional-grade recordings on your mobile device.

Packing list: one charging cable and two connecting cables