This product is a tool specially modified to play games and other homebrew software.Allows you to enter RCM (Recovery Mode) on the switchIt can be used to modify archives, play GBA / FBA and other emulators, and the self-made system can already load Switch gamesEasy to use and install. Attach your RCM clamp to the right hand Joycon switch rail. Then hold down VOL and press the power buttonDue to different batches, the appearance, color and printed words of the product may vary, which will not affect the use.Colour:A: Red/B: dark grayMaterial:plasticPackage Contents:1 x RCM JigOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.