Three Modes Believe it or not, this is the first generation of RGB three-mode wireless keyboards on the market. 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 80% 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 Quiet Red PCB allows you to replace 3 pins/5 pins switches freely without soldering issue. Enjoy the fun of making your own unique keyboard. Red switch features a quiet and linear typing experience. The soft, top-to-bottom feedback offers easier and smoother use than other tactile switches. Perfect for people who work in an open office and stay up gamers. Hub Design & 3750mAh Big Mac This 3750 mAh keyboard is armed with 2 built-in USB pass-through ports and 1 Type-C Port, allowing to back up more facilities. Week-durable to 200 hours with nonstop using under backlight off status, fully charged requires only 6-7 hours. Add a magnetic pad foot or not, is up to your definition of comfort. Diverse RGB Backlit 21 onboard RGB backlit modes are selectable for your different playing needs. 5 levels of brightness and flowing speed are adjustable for any case. Lights up and enjoy your own RGB vibe.