The product is unused, but has been opened once for inspection, so it is listed as "Like New"! There may be dents in the box. Please refer to the images! Please refrain from purchasing if you are sensitive to this. 6-channel stereo audio signal selector switcher with output volume adjustment function. This product is mainly used to select and switch the input and output of various stereo signals through a common set of equipment, such as various stereo signal sources from devices such as TV audio, MP3 players, CD players, and video games. Mobile phones, tablets, computers, and record players need to be output to an amplifier or active speakers. The 6-channel audio signal selector switcher solves the problem of complicated line plug-in and plug-out. This allows you to uniformly connect the input signal sources of your devices to the switcher for easy selection. This product uses a standard 3.5mm interface design for input and output, and uses a precise 6-level manual switch design for the switcher with independent stereo volume adjustment control. This product adopts a passive design, direct insertion, and lossless switching transmission of input and output signals.