1. After downloading the computer tuning, it can be saved to the chip and can be used without the computer. It can be used directly time you turn on the computer. 2. Support various sound effects, hall room, delay, pitch change, voice change, metal, electronic music, wah, pong, chorus, etc. 3. Support various EQ parameters, high, medium and low bass, bandpass filter, low pass and high pass filter, filter, etc. 4. With gain adjustment, noise reduction, AGC, compression, anti-howling, frequency shift and other functions. 5. Easy to use. If you encounter interference, you can connect a short line between the module GND and the motherboard GND. Product parameters: Interface: TYPE-C USB Power supply voltage: DC12-18V Colour:As Shown Material:PC The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 x module 1 x terminal cable 1 x with cable potentiometer 1 x data cable 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.