100% and high quality This multifunctional live sound card has 12 kinds of electric sound, 12 kinds of sound effects, 10 kinds of effect modes. With adjustable volume to meet your different needs according to different places. Reverberation size adjustment, microphone volume adjustment, high bass adjustment, recording volume control, music volume control, monitoring volume control (earphone function). Support mobile phone computer use, support the use of single headset. Moreover, the package comes with a USB cable, allows it to connect with laptops, desktops, or phones. Compatible for double cell phone live, mobile phone computer synchronous live, one computer live, computer accompaniment cell phone live, instrument input cell phone live. The buttons are made of silicone, and the volume can be adjusted at any time without entering the designated software. Specifications: Item type: External Sound Card Battery: lithium ion rechargeable battery Material: Metal Color: Black Voltage: 220V Bluetooth: V4.1 Size: about 125x105x25mm Package includes: 1 x Sound Card 2 x o Cables 1 x USB Cable 1 x English User Manual