USB Multifunctional Sound Card - 7.1 surround sound effect. Restore the original-sound of the computer - Expand the sound card interface, connect headphones/headsets/speakers and other devices, and enjoy music and entertainment to the fullest. 7.1-channel surround sound effect - It can be used in scenarios such as mobile live streaming, karaoke, and mobile games. CD - level sound quality standard - It adopts an intelligent noise reduction chip, with a sampling rate as high as 16 bits/48 KHz. Compatible with game devices such as for PS4 - Surround sound effect, making you feel as if you are in the game battlefield Independent adjustment of reverberation - Adjust the intensity of reverberation through the knob. Multiple sound modes Switch freely - Long press the M key to switch between the original-voice, concert hall, and KTV modes. Support external speakers - Listen to music and watch movies, making the sound effect more immersive. Color:Black Material:plastic Package Contents: 1 * Sound Card 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.