I've been using this for about six months, but it didn't suit me, so I'm selling it. Six Dials Allows adjustment of audio channel volume and microphone levels during streaming. Provides precise audio control. Touch Panel By assigning various functions (tools, presets, actions, etc.), you can instantly switch scenes, launch media, and more. The icon color changes depending on the type of function assigned. Round Buttons Round buttons numbered 1-7 are located below the dials and touch panel. You can assign original functions that are independent of the workspace. Small Size Body Small size of 110mm x 150mm x 30mm. Excellent portability and can be used in a small space.