Enhance your productivity and gaming experience with this versatile 4 Key 1 Knob Keyboard, designed for maximum customization and ease of use. Crafted with durable ABS and acrylic materials, this mini mechanical keyboard features upgraded blue switches for tactile feedback and an integrated RGB LED backlight, providing both style and functionality for various applications including concerts, movies, meetings, gaming, and industrial control. Key Features: · **Customizable Key Functions:** Supports extensive programming options, allowing you to assign a wide range of actions such as zoom in/out, copy, paste, select all, cut, media controls, game commands, office shortcuts, and industrial controls, tailoring the keyboard to match your unique needs. · **Blue Switch & RGB Backlight:** Equipped with premium blue mechanical switches for precise and responsive input, complemented by vibrant RGB LED lighting to create an immersive and visually appealing user experience. · **Onboard Memory Storage:** Features dedicated onboard storage to save all your custom key mappings, enabling seamless use across multiple devices without the need to reconfigure settings each time you switch devices. · **Dual Connection Options:** Supports both USB Type-C data cable and Bluetooth connectivity for flexible usage scenarios, ensuring compatibility with a wide range of devices and easy switching between wired and wireless modes. · **Compact & Portable Design:** Lightweight and small form factor makes this keypad ideal for on-the-go use, fitting perfectly into your setup whether at home, office, or on the stage. · **Rechargeable Battery:** Integrated 400mAh rechargeable lithium-ion battery provides reliable power for extended use, eliminating the need for frequent replacements (note: no fast charging supported). Specifications: · Item Type: 4 Key 1 Knob Keyboard · Keyboard Switch: Blue Switch · Material: ABS, Acrylic · Battery Capacity: 1 x Rechargeable 400mAh Li-ion Battery · Working Voltage: 5V 1A · Connection Method: USB Type-C or Bluetooth · Color: Black Package Includes: · 1 x 4 Key 1 Knob Keyboard This programmable mini mechanical keyboard is an indispensable tool for professionals and enthusiasts seeking customizable shortcuts and reliable performance. Its combination of advanced features, durable build, and stylish RGB lighting ensures it adapts perfectly to a variety of environments and tasks, making it a smart addition to your workspace or entertainment setup.