- Tri-Mode Connection: Enjoy seamless connectivity with three modes: Wireless 2.4GHz, Bluetooth 5.0, and USB-C Wired. Connect up to three Bluetooth devices, one wireless 2.4GHz device, and one wired device, and easily switch between them using Fn+1/2/3/4/5. Compatible with Windows, MacOS, iOS, and Android, this keyboard supports PCs, Macs, smartphones, iPads, and tablets. Change the system effortlessly by pressing Fn+Q/W/E/R based on your connected device. - Retro Typewriter Style with Mechanical Keys: Experience the charm of vintage design with steampunk round keycaps and silver rings, reminiscent of a classic typewriter. The green switches deliver a satisfying tactile bump and audible click, optimized for both gaming and typing, providing a unique and enjoyable experience. - Hot Swap Switches & NKRO: Customize your keyboard with ease using sleeve hot swap technology, allowing you to change switches without soldering. Choose from red, blue, brown, or black switches. All 84 keys feature anti-ghosting, ensuring every keystroke is registered during intense gaming or fast typing sessions, no matter how many keys are pressed simultaneously. - Elegant Warm White LED Backlit & Long Standby: This keyboard features seven adjustable lighting effects, easily switched with "Fn+". Control backlight brightness and speed, with an option to turn it off using Fn+BackSpace. Powered by a 3000mAh lithium battery and energy-saving technology, it lasts up to 20 days without lights. Automatically enters Shallow Sleep Mode after 2 minutes of inactivity and Deep Sleep Mode after 15 minutes to conserve battery life. Use Cases: 1. Perfect for gamers who require reliable performance and quick response times during gameplay. 2. Ideal for writers and professionals seeking a blend of vintage aesthetics and modern functionality in their daily tasks. 3. Great for multi-device users managing various platforms seamlessly, whether at home or in the office.