FightBox B1-MINI-PC is using all-acrylic ultra-thin design, the thickness is less than 1.7cm, It's so small that it can be carried in a trouser pocket. and the layered structure allows users to place their own artwork paper on the panel. It has 4x24mm buttons(Cherry MX Black key switches) on the left side of the controller, instead of the traditional analog joystick, with 8x24mm buttons(Cherry MX Black key switches) for the action buttons on the right side of the controller. Using hot-swappable technology, it is convenient for users to replace their favorite mechanical key switches. The FightBox B1-MINI-PC is compatible with PC/Android by using Zero Delay Arcade USB Encoder. Features: 4 push buttons as directional keys 8 push buttons as action buttons All of above buttons are hot-swappable Cherry MX Black key switches Zero Delay Arcade USB Encoder inside 6 mini buttons on the left and right sides of the panel as function buttons SOCD Supported, UP + DOWN = UP, LEFT + RIGHT = NEUTRAL directional cleaning, a tournament standard for all buttons Game Controller Specification: Cable type: Type-C USB Cable length: about 1.8m Material: Acrylic Panel Size: 23.6x12.5cm Product Height: 1.7cm Product Weight: 0.55kg About DIY Panel: DIY Panel require customers to have a certain amount of hands-on ability. Customers can print color patterns on A4 paper and put it in the middle of the top two panels. The default kit does not include the A4 paper, Package Includes: 1 x FightBox B1-MINI All Buttons Arcade Joystick Game Controller For PC/Android