RK Yellow Switch: Similar to the feel of the Gateron yellow switch, heavier and more smooth than the red switch. Pre-lubed in every quantity, buttery smooth, quick response. That is THREE MODES: Wireless mode with stable Bluetooth 5.0, hassle-free 2.4Ghz dongle plus USB-C wired mode set no limits about your keyboard connection. 84 Keys, Redefine TKL - The innovative 75% unique layout differs from traditional TKL keyboards, which cuts more clumsy space off while supporting the same functionality as practical arrow, multimedia and control keys. Hot-swappable - Hot-swap PCB allows you to replace 3 pins/5 pins switches freely without soldering issue. Enjoy the fun of making your own unique keyboard. High-capacity Battery - This keyboard is week-durable to 200 hours with nonstop using under backlight off status, fully charged requires only 6-7 hours Hub Design - This wireless mechanical keyboard is armed with 2 built-in USB pass-through ports and 1 Type-C Port, allowing to back up more facilities RK ROYAL KLUDGE RK84 RGB Limited Edition, 75% Triple Mode BT5.0/2.4G/USB-C Hot Swappable Mechanical Keyboard, 84 Keys Wireless Bluetooth Gaming Keyboard, RK Yellow Switch, Americano Black