Specifications Material: acrylic Keys: 3, 4 (optional) Knob: 3 keys + 1 knob, No knob in 4 keys Color: black, clear (optional) Current and voltage: DC 5V/1A Interface: Type-C Switch: Outemu red switch Product size: 100x35x30mm / 3.94x1.38x1.18in Product weight: 58-68 grams Product Description Red Switch RGB Macro Custom Gaming Keyboard Knob 3 Key + 1 Knob / 4 Keys Programmable Hotswap One-handed Mechanical Keypad for PC Drawing Features: 1. Type-C to USB interface, no driver required, plug and play. 2. Button customization available. Customers can provide setting preferences to customer service or design their own configurations. Setting software is included with video operation instructions. Remote technical support is available. 3. Enables complex operations, ideal for office, gaming, music, media, and industrial control applications. 4. Mechanical key switches for durability. 5. Ergonomic design for comfort. 6. Supports hot-swap switches. 7. Compatible with Windows operating systems. 8. RGB lighting with three modes: solid color, marquee, off. Lighting settings can be customized. Programmable Keypad: All keys are programmable. Standard Windows keyboard functions can be assigned, including complex shortcut combinations activated with a single key. 3 Keys + 1 Knob Configuration: Three keys and knob functions (press, clockwise rotation, counterclockwise rotation) are customizable. RGB LED lighting effects can be adjusted for different visual styles. Knob Functionality: The knob can be programmed for zoom in/out, track navigation, volume control, play/pause, and similar functions. This one-handed macro mechanical keypad is convenient to operate and portable. (Note: The 4-key version does not include a knob.) Compact Design: Small footprint saves desktop space. Features a detachable USB cable. Can be used alongside another keyboard on the same computer without interference. Applications: Ideal for office work, gaming, music production, media control, industrial control, laboratory use, production line testing, and more. Suitable for designers, video editors, and other professionals. Notes: - The 4-key model does not include a knob. - Due to variations in monitor displays and lighting, actual product color may differ slightly from images. - Allow 1-2 cm variation due to manual measurement. Package Includes: 1x Keypad 1x Data Cable