What makes the LANGTU LT84 keyboard's connectivity special?

The LANGTU LT84 keyboard offers versatile three-mode connectivity, allowing you to connect via Wireless Bluetooth, Wireless 2.4GHz, and wired USB Type-C. This flexibility ensures seamless integration with a wide range of devices and systems, whether you're using Windows or Mac.

How does the multifunction knob enhance the user experience on the LT84?

The multifunction metallic knob on the LANGTU LT84 is a standout feature that provides easy access to various functions. You can effortlessly switch between connection modes, adjust volume and brightness, and even switch systems between Windows and Mac. It's a practical addition that adds both convenience and a modern touch to your setup.

Can I customize the display screen on the LANGTU LT84?

Yes, the colorful display screen on the LANGTU LT84 allows you to upload different gifs, offering a uniquely customized experience. This feature not only displays active functions and settings but also adds a personal touch to your keyboard.

What are Sea-Air mechanical switches, and why are they special?

The Sea-Air mechanical switches on the LANGTU LT84 are newly developed and factory-lubed to provide silky-smooth linear feedback. They offer a fast trigger response and quick rebound, making them ideal for both typing and gaming. Their smooth operation enhances your overall typing experience.

How does the LANGTU LT84 handle dynamic RGB lighting?

The LANGTU LT84 features dynamic RGB backlighting with 16.8 million colors and 19 different lighting effects, including both dynamic and static options. You can even synchronize the lighting with musical rhythms, creating an immersive experience. Additionally, RGB side-strips add an extra layer of visual appeal.

Is the LT84 keyboard suitable for quiet environments?

Yes, the LANGTU LT84 is equipped with a three-layer sound-shock absorbing design. This includes EVA cotton padding, bottom rubber padding, and undershaft silicone padding, effectively reducing resonance sounds from keystrokes and ensuring a quieter typing experience.

How easy is it to change switches on the LANGTU LT84?

The LT84 features full-key hot-swappable sockets, allowing you to change switches without any soldering. You can simply pull out the current switches and push in new ones, making it convenient to customize your keyboard with different aftermarket switches.

LANGTU LT84 Starting at $88.99

Name: LANGTU LT84
Brand: LANGTU
Price: 89 USD
Availability: InStock

Vendor	Location	Coupon Code	In Stock	Price (USD)	Link*
LANGTU LT84 Display Screen Mechanical Keyboard
	Shipping to US	-		$89	Visit Shop
LANGTU LT84
	Based in US	-	?	~ 89	Check price

Vendor

Location

Coupon Code

In Stock

Price (USD)

Link*

LANGTU LT84 Display Screen Mechanical Keyboard

Shipping to US

$89

Visit Shop

LANGTU LT84

Based in US

~ 89

Check price

Compare LANGTU LT84 vs Epomaker EA75 Max vs Gamakay TK75HE V2 Specification

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

Model	LANGTU LT84	Epomaker EA75 Max	Gamakay TK75HE V2
	68	76	75
Rating	0.0 stars (0 reviews)	4.9 stars (20 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2023 Includes a Yes display Uses a Sandwich Mount mounting style Sized at 29 x 138 x 362 mm	Released in 2026 Has Linear, Silent switch options Uses a Gasket Mount mounting style Runs at a 1000 Hz polling rate Equipped with a 5000 mAh battery Weighs about 958.5 g Sized at 43 x 333 x 147 mm Offers Yes, Rgb, South-face, Rgb South-face RGB lighting	Released in 2025 Has Magnetic switch options Built with the ISO, ISO-DE, ISO-UK, ANSI layout standard Utilizes Hall effect sensors Uses a Top Mount mounting style Supports Wired, Wireless connectivity Runs at a 8000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 840 g Sized at 20 x 325 x 136 mm
Score	Scores Performance: 74.4 Build Quality: 49.7 Productivity: 83.2 Customizability: 73.1 Portability: 77.4	Scores Performance: 77.9 Build Quality: 68.2 Productivity: 82.5 Customizability: 72.4 Portability: 79.6	Scores Performance: 98.6 Build Quality: 63.1 Productivity: 83.5 Customizability: 73.4 Portability: 80.3
Name	Name LANGTU LT84	Name Epomaker EA75 Max	Name Gamakay TK75HE V2
Release year	Release year 2023	Release year 2026	Release year 2025
Switch Options	Switch Options -	Switch Options Linear, Silent	Switch Options Magnetic
Profile	Profile Normal Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI	Layout Standard ISO, ISO-DE, ISO-UK, ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support TFT	Display Support TFT
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 Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz	Polling Rate 8000 Hz
Battery capacity	Battery capacity -	Battery capacity 5000 mAh	Battery capacity 4000 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 Sandwich Mount	Mount Style Gasket Mount	Mount Style Top Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb, South-face	Backlight Rgb
Case Colors	Case Colors	Case Colors	Case Colors
Case Material	Case Material -	Case Material ABS	Case Material ABS
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 29 x 138 x 362 mm	Dimensions 43 x 333 x 147 mm	Dimensions 20 x 325 x 136 mm
Weight	Weight -	Weight 958.5g	Weight 840g

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Product Description

The LANGTU LT84 is a compact 75% mechanical keyboard designed for users who want versatile connectivity and easy customization. It suits hobbyists who value hot-swappable switches and a unique control interface, as well as users who prefer a smaller layout with multimedia controls integrated into a multifunction knob. Its wireless and wired options make it adaptable for different setups, while the RGB lighting and display screen add visual customization.

Key Features

Unique color display screen shows active settings and supports custom GIF uploads for personalization.
Multifunction metallic knob controls volume, brightness, connection modes, and system switching, reducing reliance on key combos.
Full-key hot-swappable sockets allow easy switch replacement without soldering, supporting most aftermarket switches.
Dynamic RGB lighting with 19 effects and side RGB strips enhances visual feedback and ambiance.
Three-mode connectivity offers Bluetooth, 2.4GHz wireless, and wired USB-C options for flexible device pairing.

Typing Experience and Build

Equipped with factory-lubed Sea-Air V3 linear switches, providing smooth keypresses with fast response.
Triple-layer sound-shock absorbing design reduces typing noise and vibration through EVA cotton, rubber, and silicone padding.
Sandwich structure and finely-tuned stabilizers improve typing comfort and key stability.

Compatibility

Supports Windows and Mac operating systems with dual-system switching via the knob.
84-key 75% layout balances compactness with access to essential keys, suitable for users needing a smaller footprint without losing key functionality.

Trade-offs

The multifunction knob and display add complexity that may not appeal to users preferring minimalistic designs.
Unknown battery life duration despite claims of extra-long usage.
Switches are linear only, which may not suit users who prefer tactile or clicky feedback.

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