3-button wired custom keyboard with USB wired connection and 5V power supply. Features three programmable buttons and a rotary encoder. Includes key mapping software for customizing button functions. Offers three scene modes: media control, software shortcuts, and code copy, each supporting different key assignments. Equipped with a 0.96-inch LCD display that shows the current function of each button per scene. Supports RGB lighting effects and displays information via LCD. Compatible with standard keys, multimedia controls, and mouse button functions. Hot-swap capable for easy button replacement. Instructions: Buttons are designed for single press operation only and cannot be used in combination. Rotary encoder supports left and right rotation, as well as press activation. Toggle switch controls RGB lighting on/off. Each button can be assigned a custom key value. Scene switching: Press and hold all three buttons simultaneously for 3 seconds, then release to enter scene selection mode. Indicator lights will cycle through active states—only one light on at a time. Light 1 indicates Scene 1, Light 2 indicates Scene 2. Rotate the encoder to select between Scenes 1, 2, or 3. Assign different key values per scene. After configuration, press all three buttons for 3 seconds or disconnect and reconnect the USB cable to exit setup mode. Color: Black & Transparent Material: Acrylic + Aluminum Alloy Package Contents: 1 x 3-key wired custom keyboard 1 x Type-C cable Note: Lighting and display differences may cause slight color variation between product images and actual item. Measurement tolerance: ±1–3 cm.