hot swappable blue tooth bt dual mode gk21s gk21 keyboard kit type c numpad

: In stock

: KPrepublic

Regular price $99.00 Sale




Pls pay attention:  To avoid damaging GK21s hot-swapping sockets, pls make sure your switches' pin is vertical, and you'd better not using used key switches with soldering tin.
  • ​GK21S Numpad=GK21S PCB+Plate+Stabilizer+CNC Case+Type C Cable (if you choose this option, there has no any keycap or switches)
  • GK21S Kit1=GK21S Numpad+Gateron Switches x21(Pls choose from Red\Black\Brown\Blue\Green\Yellow\Clear)
  • GK21S Kit2=GK21S Numpad+Domikey Numpad Kit x1(Pls choose from Orange Dolch\Showa\Atlantis\Classic Dolch\1980s\Crisis\SEALs)
  • GK21S Kit3=GK21S Numpad+Gateron Switches x21(Pls choose from Red\Black\Brown\Blue\Green\Yellow\Clear)+Domikey Numpad Kit x1(Pls choose from Orange Dolch\Showa\Atlantis\Classic Dolch\1980s\Crisis\SEALs)
Pls, pay attention: Domikey Numpad Kit top row is TAB/SHIFT/END/BACKSPACE, not same with GK21S Default top row Esc\Tab\Fn\Backspace, if you can't accept it, pls do not choose domikey Numpad kit, thx.
  • 32 bit MCU 
  • Built-in 8M Flash
  • 3 256*256*256LED driver chip supports 16.8Million colours LED 
  • Type-C USB cable+Bluetooth 4.0 Dual Mode
  • The lamp position is anti-RGB, compatible with Cherry, BOX, G axis and other three feet or five feet MX switch
  • Hot-pluggable Kailh connector
  • Support music rhythm and sound control, drive custom macro programming keys, three layers can be defined.
  • PCB support plate mount stabilizer.
  • Li-Battery is 750mAH(can work over 1 month if daily use no more than 4 hours)
GK21S Driver and Software
IMG_2285 IMG_2288 IMG_2298 IMG_2321 IMG_2322 IMG_2341 IMG_2356
The hot swappable blue tooth bt dual mode gk21s gk21 keyboard kit type c numpad is the yin, to your yang. You've found what you're looking for.

Inventory Last Updated: Mar 01, 2021

Returns Policy

During COVID-19, If you do not receive the goods after 90 days, please contact us in time. We will contact the express company for you. If we confirm that the goods cannot arrive or are lost, we will refund to you.

If there is any defect or defect in the product you received, please contact us in time and attach video or picture description. After confirmation, we will send you a replacement product for free. Thank you for your understanding and support.

UPDATE - Since the COVID-19, the longest shipping time we encounter is over 140 days with free shipping. If you don't receive the parcel after 140 days, please feel free to contact us for a solution (refund or reshipment). NOTE - the 140-day starter is from the day you have the tracking info, NOT from the day when you place the order.

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (it depends on how fast the courier you use for return), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you want to return item(s), after communication with KPrepublic Customer Service, please make sure the items in good condition which are good for future sell. Normally, KPrepublic will ship you a replacement of the defect items or wrong items. When returned, please leave a note in the package with your order number so that we can know who ships the parcel and give you a refund as soon as possible.


We can ship to virtually any address in the world. Usually we will ship all items within 5 days(Except Group Buy or Pre-order products, those above depends on Actual production time which is shown at product page).Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page,and usually you will receive the package within 30 days atter we ship it.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.