3-button wired custom keyboard, only supports wired USB mode, USB wired connection, 5V power supply. It has 3 independent buttons and a rotary encoder. With the key value editing software, the key code of each button can be edited.<br> It has 3 scene modes of media control, software shortcut keys and code copy, and different key values can be used in different scene modes. The 0.96-inch LCD can display the functions of the 3 buttons in the current scene.<br> RGB lighting effect, LCD display, support for ordinary buttons, multimedia buttons and mouse button functions.<br> Hot-swap buttons.<br> Instructions:<br> The 3 buttons are independent, and can only be pressed one at a time, and cannot be pressed in combination. The rotary encoder can be turned left, right, and pressed. The toggle switch is used to turn the RGB light on/off. Each key can have a custom key value.<br> Scene switching function:<br> Press the three buttons at the same time for 3 seconds, and then release them to enter the scene switching mode. The lights will go from off at the same time to only one light on. If light 1 is on, it means that it is in scene 1 at this time, and if light 2 is on, it means that it is in scene 2 at this time. Rotate the knob to select scenes 1, 2, and 3. In different scenes, each button can have a different key value. After the selection is completed, press the 3 buttons for 3 seconds or reinsert the USB cable to restart to exit the scene setting mode.<br> Colour:Black & Transparent<br> Material:Acrylic + Aluminum Alloy<br> Package Contents:<br> 1 * 3-key Wired custom keyboard<br> 1 * Type-C cable