★Dual electronic screen: GK104 Pro has a fixed digital screen in the upper right corner, which does not support replacement. It displays date, keyboard link status, and battery power. In addition, it has the function of a calculator, which can realize addition, subtraction, multiplication and division. It can be turned on or off through the switch on the right side of the keyboard, and the keyboard sound can be turned on/off through FN+Number 0. Equipped with a 2.0-inch LCD screen with a resolution of 320×240, supports hot swapping, independent driver, supports importing animations/pictures (<15M), supports display of date, time, power, connection status, etc., and adds a typing speed test function , can be replaced with keycaps and switches. ★Custom functions & knobs: The keyboard is equipped with 3 programmable macro knobs, and the default function is volume adjustment. The functions of the knobs can be set through the driver, including volume adjustment, zoom in/out, and backlight adjustment... The keyboard can be equipped with up to 6 knobs, which can replace the three keys ESC, F11, and F12. If there is a need for more knobs, they can be separated Buy Knobs. Full keys support custom functions (except FN) ​ ★Three-mode connection: GK104 Pro wireless keyboard has 3 connection methods, Bluetooth 5.1/2.4Ghz wireless/USB-C wired, built-in high-performance Nordic wireless chip module, lower delay, 8K polling rate, 0.125 millisecond delay, more suitable game player. Compatible with multiple devices, it can be seamlessly switched between Phone/PC/Laptop/Tablet, which is more suitable for multi-tasking. The keyboard battery capacity is 8000 mAh and can be charged via USB-C, which can meet long-term high-intensity use. ★Cushioning Noise Reduction and Shock Absorption Design: TOP-Gasket fixed connection, high-quality multi-layer built-in foam rubber, the top buffer is made of durable elastic material, tightly fits each key, forming a barrier between the keys and the keyboard base, reducing typing Noise and vibration, able to withstand intense typing and gaming, providing a comfortable typing experience. ​ ★Hot Swap & Switch: The keyboard uses custom KTT mechanical switches, Rose Sea-Blue are tactile switches, similar to traditional brown switches, Rose-Pink and Rose-Silver are linear switches, similar to traditional red switches, if you If you like a switch with less pressure, it is recommended to choose Rose-Pink. These three switches activate quickly and respond quickly, making this one of the best gaming keyboards. There is a hot-swappable socket installed on the PCB, which is compatible with almost all 3-pin and 5-pin MX type mechanical switches on the market. The Split Speacebar and 2.0 screen and knobs are also hot-swappable. ★Compatible with Win and Mac OS: The keyboard supports Windows 10, Win 8, Win 7, Win Vista, Windows XP and Mac OS systems, and is compatible with iPad, iPhone, MacBook, laptops, PCs and mobile phones. This keyboard is divided into 3 programmable onboard layers and 8M built-in memory. The 16.8 million color RGB backlight can be easily set and saved through the driver, designed to meet all your personalized needs. Brand: skyloong Model: GK104 Pro mechanical keyboard Material: ABS/PBT Case:Plastic Layout:ANSI Keycap:Lava(Side-Print)/Twilight(Side-Print)/Peach Switch: Rose Sea-Blue/Rose Pink/Rose Silver Keyboard size: 45.2x14.6x3.5cm/17.8x5.7x1. 37 inches Keyboard weight: 1.35 kg/2.97 lbs Package weight:1.95kg/4.3 lbs Backlight: 16.8 million RGB Polling Rate:8000hz Connectivity: Wired (USB-C)/2.4ghz Wireless/Bluetooth Battery: 8000mAH lithium batter yUSB-C cable length (meters): 1.5m/4.921 feet (approx.) Hot-swappable: supported (including screen and Knobs) Power supply: USB port/battery Applicable to: PC/laptop/tablet/mobile phone Package include : GK104 Pro keyboard*1 (3 knobs and screen installed), dust cover*1, 2-in-1 keycap/switch puller*1, screen spudger*1, extra switches, extra keycaps, decorative sheet` , 2.4G wireless receiver*1, USB-C cable*1, satellite switch*1, user manual (Chinese and English). About the switch: Rose Sea-Blue Switch type: tactile switch (similar to brown switch) Operating force: 48±5gf Pre-travel: 2±0.6mm Total travel: 3.5±0.3mm keystrokes: 50 million Rose Pink Switch type: Linear switch (similar to red switch) Operating force: 38 ± 5gf Pre-travel: 1.9 ± 0.5mm Total travel: 3.5 ± 0.3mm keystrokes: 50 million Rose Silver Switch type: Linear switch (similar to red switch Operating force: 45±5gf Pre-travel: 1.20±0.4mm Total travel: 3.5±0.3mm Keystroke: 50 million S​ilent CuCl2 Switch type: Linear switch Operating force: 45±5g fPre-travel: 2±0.5mm Total traveel: 3.8±0.5mm Keystroke: 50 million