Description: Wildly Use: The mixer is a 4 channel sound mixing console, DC 5V supply, low noise, can easily meet music recording, webcast, singing, small party, stage performance, live gigs, DJ events and other needs. Compatibility: 1/4 inch TRS stereo audio cable must be used for input and output connections(TRS cables are not include in the packaging.) You can connect the mixer to your external USB, computer, electronic organ, microphone, electric Guitar to mix Multifunction: The mixer is equipped with mono stereo input, adjustable volume konb, stable transmission. Perfect Design: Made of material, durable; provide more precise adjustment. Portable: US adapter. More lightweight, more convenient to take it anywhere. Specification: Material: Metal Size Chart: 10.8cmx7.5cmx3.1cm/4.25inchx2.95inchx1.22inch Package Includes: 1x Audio Mixer 1x Adapter(US Adapter) Note: Please allow slightly errors due to manual measurement and different monitors.