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GK21S Plastic Case Kit(RGB Hot Swap PCB With Independent Driver/Wired And Bluetooth)

Regular price $49.00

Shipping calculated at checkout.

Package Included

GK21S Plastic Case Kit: Plastic Case + Hot Swap PCB + Steel Plate + Stabilizers + USB Cable + Switch Removal Tool + Feets + 750mAh volume battery (+Switch*21 pcs)


As the 20% layout,it is the numpad part of 100% layout.It can help do more functions for 60% 65% 75% etc layouts of keyboards.

Black or white plastic case.

PCB chipset is MCU 32 bit,3 pcs 256*256*256 RGB drive to support full 16.8 million RGB.

PCB RGB can support by music,have the speical GK Manuals below.

Plate still is white steel plate.

Keyboard size: 84*122 mm(We had not added the height because the keycaps of using)


Bluetooth option is bluetooth 5.1,uses broadcom bluetooth chip.You can long press Fn+7 8 9 to connect bluetooth with your device.

Bluetooth stand by time is around 10 days,if you use it without led,it can last around 6-8 days,if you use it with leds,it last around 2-4 days.The battery will charge in auto when you insert USB to PC or charger when the capacity is under 90%.

When plugging switches,please put the switch 90 degree above the PCB.When there is some resistance,don't plug it in forcely and check whether your switch pin is bent.

GK Manuals


Mac system:

Images Display

Note 1

Ymdkey only support paypal now,thanks for understanding.

Note 2

Kindly note all price listed in page don't include destination taxes since every country is different policy.

If you located in EU UK,will charge VAT for orders under Euro150 when checkout since 1,July.

If you order is over Euro150,please pay VAT /customs fee yourself in destination.

For shipping and invoice details,just message us directly is ok.