Holiday Shipping Details & Extended Holiday Returns 
Feature:
1.68 Keys, Redefine TKL
The innovative 65% 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.
2. Three Modes Connection
2.4G Wireless and Bluetooth 5.0 and USB wired way. Extremely low latency in the absence of signal interference. Easily 3 different devices switchable with FN + Q/W/E in wireless mode will hype you up and maximize your productivity.
3. High-capacity Battery
Use continuously about 13 hours with lightest backlit, up to 360 hours standby time.
4. RGB Backlit
14 RGB backlight modes, 8 monochrome backlight modes and 1 full color backlight. These modes will give you more enjoyable when you gaming or typing at night.
5. 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.
6. Hub Design
Armed with 2 built-in USB pass-through ports and 1 Type-C Port and detachable frame, allowing to back up more facilities.
7. DIY Programmable
Software DIY light effect powerful game macros Full-key programmable.
Switch Option:
Blue Switch
Offer quicker and springier response, crisp click sound for spring Typing enjoyment, precise tactile feedback for ultimate Gaming performance
Brown Switch
Slightly quieter and easier to trigger than the Blue Switch. Halfway between a Typing and a Gaming Switch. Some people prefer Brown Switch since it enables you to Double Tap faster and typists like them because they still have a good Tactile feedback, but the audio feedback isn't quite as noticeable as Blue Switch.
Red Switch
Linear Switch, meaning that the force at the beginning and the end of each stroke is nearly identical. The result is a feel that most perceive as smoother and "faster" making them especially popular among Gaming enthusiasts. Red Switch is the best fit switch using in Office.
Package Includes:
1 x RK837 Mechanical Keyboard
1 x 2 in 1 Keycap & Switch Puller
4 x Replacement RK Switch
1 x Type-C Cable
1 x User Manual