FEKER JJK21 Numpad Kit

Gasket Mount Hot Swappable Bluetooth 5.0/2.4GHz/Wired Mechanical Numpad Kit

  • 20% ANSI Layout with a Rotary Knob
  • Triple modes: Bluetooth/2.4GHz/Type-C wired
  • Gasket Mount & PC Mounting Plate
  • Hot Swappable with 3pin & 5pin Switches Like Cherry, Gateron, Kailh, AKKO, Otemu, etc.
  • RGB Backlights with Several Light Effects
Regular price $47.99
Sale price $47.99 Regular price $59.99

Free standard shipping to most countries

Enjoy free shipping to most countries*. Please refer to our shipping FAQ to see if you qualify.

15-Day Return Policy

You may return any non-customized and non-sales product that is sealed, within the 15 days upon receiving it.


A Numpad Kit with A Knob

Is it possible for a numpad to transform into a full function keyboard? Make it programmable! The Feker JJK21 numpad kit follows this resolution to be programmable by the supportive software, additionally with a knob to convenient for media control. With a 21-key PCB, this numpad has the space and processing power to handle your most demanding tasks.

Bluetooth 5.0 & 2.4GHz Wireless & Wired Modes

More than being wireless, we make this kit in triple modes, that is to say, the Bluetooth technology and ultra-fast stable 2.4GHz wireless, plus Type-C wired mode. The software can also be connected under the bluetooth and 2.4G wireless mode. Triple modes will be accommodating a variety occasions, such as trip, office, home, etc. It truly saves bulky accessories and terrible transmission.

Gasket Mount & PC Mounting Plate

Typing feelings matter. To achieve a superb performance, FEKER JJK21 features gasket mount with a PC mounting plate, which works perfectly together to offer a soft and bouncing typing experience. What's more, a set of silicon foams are equipped to absorb sound while typing and also reduce shallow sound of bottom case

Hot Swappable PCB

FEKER JJK21 numpad kit adopts a hot swappable PCB that can work with most 3pin/5pin switches, such as Cherry, Gateron, Kailh, AKKO, Otemu... Hot swappable PCB means that you don’t need to solder the switch and it’s easier for those who love different types of typing experience.

RGB Backlights & Detachable Type-C Connection

Apart from working on acoustic end, FEKER JJK21 numpad also presents a great visual by dazzling RGB backlights. It provides several RGB effects and colors for you to set. To maintain a stable signal transmission, the kit comes with a detachable type-C cable for wide compatibility and convenient use. The type-C interface ensures fast and stable connection, compatible for most mainstream devices. Just feel free to change your desk setup without any worries.

Technical Specifications

20%, 20 keys + 1 knob
Triple modes: Bluetooth/2.4GHz/Type-C wired
Plate Material
Yes, 3-pin & 5-pin
Stabilizer type
Anti-ghosting Keys
1500mAh rechargeable Li-ion battery
Cable Length
System Compatibility
Windows only
Inside the box
  • Keyboard Customized Kit (Case+PCB+EVA Foam+Stabilizers+1*Positioning Plate+1*Battery)
  • Type-C Cable
  • 1*2.4G receiver
  • 1*Manual