WHAT IS IT? It is a for version bad usb tool.It is also an for developement board. WHY YOU ? Every one knows for usb rubber is a great tool. I created my own version based on it.<br><br>WHAT MAKES IT SPECIAL? Includes a 128MB TF card Includes a white casing. The red light indicates an issue with the TF card or it's not inserted. The green light indicates that the TF card is working properly. Supports 64 types of scripts. The TF card contains source code and 64 files. ATTENTION:If you are not a professional, please do not modify code. You only need to modify the content inside the files. You can go to for to learn about scripts. Colour:White Material:Plastic+Metal<br><br>Package Contents: 1 * USB adapter<br><br>Only 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.