What makes the Yunzii CK98 OLED keyboard unique?

The Yunzii CK98 OLED keyboard stands out with its customizable OLED monitor that can display CPU/GPU stats, temperature, time, and even user-uploaded images, emojis, and GIFs. This feature, combined with its tri-mode connection options and gasket-mounted design, provides a unique and enhanced user experience.

How can I customize the OLED display on my CK98 keyboard?

You can easily customize the OLED display using compatible software on Windows or Mac OS. The software allows you to upload images, emojis, and GIFs or draw your own designs, which can then be displayed on the keyboard's OLED screen.

Can I use the CK98 keyboard wirelessly?

Yes, the CK98 supports tri-mode connectivity, allowing you to use it wirelessly via Bluetooth 5.1 or a 2.4GHz wireless connection. It also comes with a Type-C wired option for those who prefer a direct connection.

What is the benefit of the gasket-mounted design in the CK98?

The gasket-mounted design in the CK98 incorporates high-quality gaskets and silicone pads to absorb the impact of each keystroke. This creates a smoother, cleaner, and more flexible typing experience, enhancing comfort and reducing noise.

Is the CK98 keyboard hot-swappable?

Yes, the CK98 is fully hot-swappable, allowing you to easily replace its switches without soldering. It supports both 3-pin and 5-pin mechanical switches, giving you the flexibility to customize your typing experience with different switch types.

How long does the battery last on the CK98 when used wirelessly?

The CK98 is equipped with a 3750mAh battery and features an energy-saving module, which ensures a long battery life when used wirelessly. However, the exact duration will depend on usage patterns, especially the use of RGB lighting and the OLED display.

What type of keycaps does the CK98 use?

The CK98 features CSA V2 profile keycaps made from durable, oil-resistant PC material. These translucent keycaps enhance the RGB lighting effect, providing a vibrant and visually appealing setup.

Is there software available for customizing the CK98 keyboard?

Yes, the CK98 comes with compatible software that allows for extensive customization, including RGB lighting effects and OLED display options. Please note that this software is only available for Windows systems.

Yunzii CK98 Starting at $79.99

Name: Yunzii CK98
Brand: Yunzii
SKU: yunzii-coolkiller-ck98-wireless-hot-swappable-oled-mechanical-keyboard-math

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Yunzii CK98
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YUNZII CK98 Wireless Hot Swappable OLED Mechanical Keyboard-Math
	Shipping to US			$80 Out of stock	Visit Shop

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Global

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YUNZII CK98 Wireless Hot Swappable OLED Mechanical Keyboard-Math

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Compare Yunzii CK98 vs Redragon Artemis K719 Pro vs Epomaker TH99 Pro Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!

Model	Yunzii CK98	Redragon Artemis K719 Pro	Epomaker TH99 Pro
	69	82	76
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)	4.8 stars (16 reviews)
Purchase Options
Main differences	Released in 2023 Available in a 98% layout Includes a Yes, OLED display Equipped with a 3750 mAh battery Made with a Acrylic case Features PC keycaps	Released in 2025 Has Linear switch options Available in a 90% layout Includes a Yes, TFT display Includes screw-in stabilizers Weighs about 1150 g Sized at 144 x 394 x 39 mm Made with a Plastic case Offers Yes, Rgb RGB lighting	Released in 2026 Has Linear, Silent switch options Available in a 96% layout Includes a Yes display Equipped with a 10000 mAh battery Weighs about 1120 g Sized at 47 x 410 x 145 mm Made with a ABS case
Score	Scores Performance: 64 Build Quality: 67.9 Productivity: 67.9 Customizability: 70.6 Portability: 50.9	Scores Performance: 78.5 Build Quality: 75.9 Productivity: 91.3 Customizability: 78.5 Portability: 51.6	Scores Performance: 78.6 Build Quality: 69.1 Productivity: 83.1 Customizability: 73.3 Portability: 62.9
Name	Name Yunzii CK98	Name Redragon Artemis K719 Pro	Name Epomaker TH99 Pro
Release year	Release year 2023	Release year 2025	Release year 2026
Switch Options	Switch Options -	Switch Options Linear	Switch Options Linear, Silent
Profile	Profile Normal Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 98%	Layout Size 90%	Layout Size 96%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support	Knob Support
Display Support	Display Support OLED	Display Support TFT	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 3750 mAh	Battery capacity -	Battery capacity 10000 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style Gasket Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face	Backlight Rgb	Backlight Rgb, South-face
Case Colors	Case Colors	Case Colors	Case Colors
Case Material	Case Material Acrylic	Case Material Plastic	Case Material ABS
Keycaps Material	Keycaps Material PC	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions -	Dimensions 144 x 394 x 39 mm	Dimensions 47 x 410 x 145 mm
Weight	Weight -	Weight 1150g	Weight 1120g

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Product Description

The Yunzii CK98 OLED Math is a 98-key mechanical keyboard suited for users who want a versatile wireless or wired connection, customizable OLED display, and hot-swappable switches. It fits hobbyists who like to modify their keyboard’s look and feel, and professionals who appreciate a compact layout with advanced features like system monitoring on the keyboard itself.

Key Features

Customizable OLED screen displays system info such as CPU/GPU usage, temperature, and time, plus user-uploaded images or GIFs for personalization.
Supports three connection modes: wired USB-C, Bluetooth 5.1, and 2.4GHz wireless, allowing flexible device pairing.
Hot-swappable switch sockets accept both 3-pin and 5-pin mechanical switches, enabling easy switch replacement without soldering.
South-facing RGB backlighting offers smoother and brighter lighting effects, adjustable via key combinations or software on Windows.

Build Quality

Transparent acrylic case provides a solid, visually distinctive chassis.
Gasket-mounted design with poron foam and silicone pads reduces typing impact, resulting in a quieter and more flexible typing experience.
Durable, oil-resistant translucent keycaps in CSA V2 profile enhance longevity and feel.

Typing Experience

Gasket mounting absorbs keystroke impact, making typing smoother and less noisy compared to rigid mounts.
Hot-swappable switches allow users to tailor typing feel and sound without technical skills.

Connectivity

Triple-mode connectivity supports wired use for minimal latency and wireless options for convenience.
Built-in 3750mAh battery and energy-saving features extend wireless usage time, though exact battery life is unknown.
Includes 2.4GHz dongle and coiled cable for immediate wireless and wired use.

Compatibility

Software for OLED customization and RGB settings works only on Windows, limiting full feature use for macOS users.
Supports Windows and macOS systems for basic keyboard functions and connectivity.

Trade-offs

Software limitations restrict OLED and RGB customization to Windows, which may disappoint macOS users.
Battery life details are unspecified, so wireless endurance is uncertain.
Transparent acrylic case may show fingerprints and scratches more easily than opaque materials.

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