Unopened and unused. All accessories are included. [Floating Storage] This is a display board that allows you to float and install a soundbar above your PC monitor. It keeps your desk tidy and allows you to create a spacious work environment. [Versatile Installation] Can be installed not only above the monitor but also below it. Convenient for storing small devices such as controllers. [Excellent Stability] The steel plate can be firmly fixed to the VESA mounting holes (100mm pitch) on the back of the monitor with screws. You can safely install expensive devices. [Adjustable Height] The height of the shelf can be adjusted by moving the VESA fixing position up and down. You can arrange it to suit the size of your monitor and installed items for convenient use. [Japanese Domestic Support System] "Japanese instruction manual" is included. In the unlikely event of support, we will respond in Japanese, so you don't have to worry.