SKYLOONG GK21S Numpad 2 Mode DIY Kit
Best customizable mechanical numpad for data entry enthusiasts and creative professionals.
Elevate your productivity with the SKYLOONG GK21S Numpad DIY Kit. This customizable 21-key hot-swappable numpad allows for easy switch installation without soldering, supporting both 3-pin and 5-pin mechanical switches. Connect seamlessly via Bluetooth 5.1 or USB-C, and enjoy vibrant RGB backlighting with 16.8 million color options. The kit includes sound-dampening foam and a silicone pad for an enhanced typing experience. Choose between a sleek ABS Plastic or premium CNC Aluminum case to perfectly complement your setup.
$43.99
Owner Satisfaction
4.4
/ 5
Category Rank
80
/ 172
#80 in Numeric Keypads
Price vs Category Average
-44%
Below average
Keys Number
21
Who it's for
- Keyboard enthusiasts who enjoy experimenting with different mechanical switch types
- Desk minimalists seeking a clean, cable-free workspace setup
- Power users needing custom macros and personalized lighting configurations
Who should skip it
- Users who prefer the seamless customization of QMK or VIA
- Typists seeking the premium weight and sound of aluminum builds
- Shoppers wanting a ready-to-use device without extra assembly costs
Performance breakdown
Switch Versatility
Hot-swappable sockets accommodate almost any mechanical switch preference with ease.
Connectivity Reliability
Bluetooth 5.1 and USB-C provide stable, lag-free input for any workflow.
Build Integrity
CNC aluminum option offers a premium, heavy-duty feel for serious typists.
Acoustic Dampening
Included foam and silicone pads significantly refine the typing sound profile.
Customization Depth
Three layers of macro programming allow for highly personalized productivity shortcuts.
Aesthetic Customization
Vibrant RGB lighting offers extensive color options to match any desk.
Key Specs
Keys Number
21
Connectivity
USB-C, Bluetooth 5.1
Switch Sockets
Hot-swappable (Supports 3-pin/5-pin switches)
Backlight
RGB (16.8 Million Colors)
Battery
750mAh
Dampening Materials
Sound-absorbing Foam, Silicone Pad
Case Options
ABS Plastic or CNC Aluminum
Weight
0.25kg (ABS) / 0.4kg (Aluminum)
Features
- Hot-swappable sockets for easy switch customization
- Dual mode connectivity: Bluetooth 5.1 and USB-C
- Vibrant RGB backlighting with 16.8 million colors
- Three layers of macro programming
- Includes sound-dampening foam and silicone pad
- Full key anti-ghosting support
- Compatible with major operating systems
- Choice of ABS Plastic or CNC Aluminum case
What customers say
Enthusiasts highly value the SKYLOONG GK21S Numpad DIY Kit for its exceptional customization and accessible price. Key features driving positive feedback are the dual mode connectivity, offering both wired and Bluetooth flexibility, and the hot-swappable sockets that simplify switch experimentation. The compact 21 key layout proves highly functional for data entry and macros. While the overall build quality is solid, some users note that the stabilizers often need immediate tuning for optimal performance. A minor drawback involves the proprietary software for programming. Overall, the GK21S is recognized as an outstanding value and a superb starting point for building a personalized, high performance wireless numpad.
Know before you buy
No, the GK21S is a DIY kit. You will need to purchase your own mechanical switches and keycaps separately to complete the build.
Yes, the hot-swappable sockets are compatible with both 3-pin and 5-pin mechanical switches, giving you a wide range of options for your preferred typing feel.
The numpad uses Bluetooth 5.1, which provides a stable and reliable wireless connection for most office and productivity tasks. For latency-sensitive work, you can always switch to the included USB-C cable.
The ABS plastic case is lightweight and more affordable, while the CNC aluminum case offers a premium, heavy-duty feel and increased stability on your desk. The aluminum version weighs 0.4kg compared to the 0.25kg weight of the plastic model.
The GK21S supports macro programming across major operating systems, including macOS, Windows, Android, and iOS. You can configure your layers to suit your specific workflow needs regardless of your platform.
Yes, these components are included to reduce hollow sounds and vibrations while typing. They provide a more refined, solid acoustic profile compared to standard numpads without internal dampening.
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$44