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 PS 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. Setup software is provided along with video operation instructions and optional remote technical support. 3. Enables complex operations, ideal for office, gaming, music, media, and industrial control applications. 4. Equipped with mechanical switches for durability. 5. Ergonomic design for comfortable use. 6. Supports hot-swap switch replacement. 7. Compatible with Windows operating systems. 8. RGB lighting with three modes: solid color, marquee, and off. Lighting settings can be customized upon request. Programmable Keypad: All keys are programmable. Standard Windows keyboard functions and complex shortcut combinations can be assigned to individual keys. 3 Keys + 1 Knob Version: Three keys and knob functions (press, clockwise rotation, counterclockwise rotation) are customizable. RGB LED lighting effects can be adjusted to create different visual styles. Knob Function: 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 saves desktop space. Features a detachable USB cable. Can be used simultaneously with another keyboard on the same computer without interference. Wide Application: Suitable for office work, gaming, music production, media control, industrial systems, laboratory environments, and production line testing. Also beneficial for designers, video editors, and other professionals. Note: The 4-key model does not include a knob. Due to differences in monitor displays and lighting conditions, actual product color may vary slightly from images. Please allow 1-2 cm variation in measurements due to manual measurement. Package Includes: 1 x Keypad 1 x Data Cable