AULA F21 20% Layout Transparent Tri-Mode Numeric Keypad Mechanical Keyboard


The AULA F21 numeric keypad offers 21 keys, transparent design, tri-mode connection, and smooth, quiet typing for efficient numeric input.

AULA F21 20% Layout Transparent Tri-Mode Numeric Keypad Mechanical Keyboard

20% Layout (21 Keys) Numeric Keypad Transparent Design Tri-Mode Connection Gasket Mount Dynamic White Lighting Poron Foam Hot Swappable PCB Factory-Lubed Switches Fine-Tuned Stabilizers 3D-Printed PC Keycaps


Introducing the AULA F21 Numeric Keypad, featuring a 20% layout with 21 keys for streamlined numeric input. Its transparent design enhances visibility, while tri-mode connection options ensure seamless compatibility. The gasket mount and Poron sound-dampening foam provide a stable, quiet typing experience. Customize with dynamic white lighting and hot-swappable PCB for personalized comfort. Factory-lubed switches and fine-tuned stabilizers offer smooth, precise keystrokes. Crafted with 3D-printed PC keycaps, this keypad combines efficiency and performance in a compact package.


20% Layout (21 Keys): The AULA F21 numeric keypad features a 20% layout, comprising 21 keys dedicated to numeric input, ensuring all the essential keys are within easy reach while minimizing desk space.

Transparent Design: Enhance your workspace with the keypad's transparent design, allowing the dynamic white lighting to illuminate the keys for improved visibility and a modern aesthetic.

Tri-Mode Connection: Connect effortlessly via wired USB, Bluetooth, or 2.4GHz wireless, providing flexibility and compatibility with a variety of devices for seamless integration into your setup.

Gasket Mount: Experience stability and comfort during extended use with the gasket mount design, which reduces noise and provides a satisfying typing experience.

Dynamic White Lighting: Customize your workspace with dynamic white backlighting, adjustable to suit your preferences and create the perfect ambiance for your work environment.

Poron Sound-Dampening Foam: Enjoy quiet and comfortable typing with Poron sound-dampening foam, which minimizes noise and vibration for distraction-free operation.

Hot Swappable PCB: Tailor your typing experience with ease using the hot-swappable PCB feature, allowing you to swap out switches without soldering for personalized comfort.

Factory-Lubed Switches: Benefit from smooth and consistent keypresses thanks to factory-lubed switches, designed to reduce friction and provide reliable performance.

Fine-Tuned Stabilizers: Achieve stability and precision with finely-tuned stabilizers, minimizing key wobble and ensuring accurate input with every press.

3D-Printed PC Keycaps: Elevate your typing experience with durable 3D-printed PC keycaps, meticulously crafted for longevity and precision, delivering a satisfying tactile feel.


Brand: AULA

Product Type: Mechanical Keyboard

Model: F21

Layout: 20%

Number of Keys: 21

Mounting Style: Gasket Mount

Case Material: PC

Colourway: Black / Purple / White

Keycap Property: Cherry Profile 3D-Printed PC

Switch Property:

  • Ice Crystal (Linear)
  • Actuation Force: 35±3gf
  • Initial Force: 26gf
  • Bottom-Out Force: 48±3gf
  • Pretravel: 1.8±0.3mm
  • Total Travel: 3.7±0.3mm

Connection Mode: 3 Modes (Wired, 2.4G Wireless, Bluetooth)

Charging Port: 1 x USB-C

Battery Capacity: 420mAh

Compatible Device: PC, Mac, Mobile Phone, and Tablet

Compatible Operating System: Windows, MacOS, Android and IOS

Item Weight: 164g

Item Dimension (LxWxH): 121x83x38mm

Package Weight: 450g

Package Dimension (LxWxH): 164x124x72mm


1 x AULA F21 20% Layout Transparent Tri-Mode Mechanical Keyboard

1 x 2 in 1 Keycap & Switch Puller

1 x 2.4gHz USB Dongle

1 x 1.8m USB-A to USB-C Charging Cable

1 x Dust Cover

1 x Cleaning Brush

1 x Microfiber Cloth

1 x User Manual

Additional information

Weight0.45 kg
Dimensions17 × 13 × 8 cm
Case Colour

Black, Purple, White

Switch Type

Ice Crystal (Linear)


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