What makes the Firstblood B81 Crystal keyboard unique?

The Firstblood B81 Crystal stands out with its crystal transparent design and precision-drilled acrylic surface, offering a dazzling, high-translucency look. It's not just about aesthetics; the keyboard provides a luxurious feel that enhances any workspace.

Can I customize the keys on the B81 keyboard?

Absolutely! The B81 features full-key hot-swappable Kailh sockets, allowing you to easily change and customize your keys and switches to find the perfect combination for your typing or gaming needs.

How does the crystal-damping knob improve my typing experience?

The crystal-damping knob on the B81 keyboard is designed for superior ergonomics, providing tactile feedback and accuracy. This makes it an excellent choice for gamers and typists seeking an enhanced and comfortable experience.

Is the B81 keyboard compatible with both Windows and Mac?

Yes, the B81 is compatible with both Windows and Mac systems, offering versatile connectivity options including Bluetooth 5.0, 2.4G, and wired connections, ensuring seamless integration with your devices.

What is the purpose of the gasket structure in the B81 keyboard?

The gasket structure in the B81 keyboard helps reduce noise, providing a quieter typing experience. This feature, combined with its overall superior craftsmanship, ensures a smooth and pleasant typing session.

Are there any additional customization options with the B81?

Yes, the B81 comes with letter stickers with black characters on a transparent background, giving you the freedom to personalize your keycaps as you see fit. This allows for a unique look tailored to your preferences.

What types of switches does the B81 use?

The B81 utilizes FirstBlood Ice Star Jelly switches, which are linear with an operating force of 38±10gf. These switches provide a smooth and satisfying typing experience, perfect for both gamers and typists.

How does the B81's design enhance its durability?

The B81 is crafted with a precision-drilled acrylic drill surface, which not only gives it a stunning appearance but also enhances its durability, ensuring vibrant colors and long-lasting performance.

Firstblood B81 Starting at $148.99

Name: Firstblood B81
Brand: Firstblood
SKU: firstblood-b81-mechanical-keyboard

Vendor	Location	Coupon Code	In Stock	Price (USD)	Link*
Firstblood B81
	Global	-	Check vendor	Check vendor	Visit shop
WhatGeek x FirstBlood B81 Crystal Transparent Wireless Mechanical Keyboard
	Shipping to US	-		$149 Out of stock	Visit Shop
FirstBlood B81 Transparent Mechanical Keyboard
	Shipping to US	-		$189 Out of stock	Visit Shop

Vendor

Location

Coupon Code

In Stock

Price (USD)

Link*

Firstblood B81

Global

Check vendor

Visit shop

WhatGeek x FirstBlood B81 Crystal Transparent Wireless Mechanical Keyboard

Shipping to US

$149

Out of stock

Visit Shop

FirstBlood B81 Transparent Mechanical Keyboard

Shipping to US

$189

Out of stock

Visit Shop

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Compare Firstblood B81 vs Keychron Lemokey P1 HE vs Fancy V81 Plus Specification

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

Model	Firstblood B81	Keychron Lemokey P1 HE	Fancy V81 Plus
	74	96	63
Rating	0.0 stars (0 reviews)	5.0 stars (3 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Has Linear switch options Provides dedicated media keys Equipped with a 3750 mAh battery Weighs about 1500 g Sized at 100 x 480 x 220 mm Made with a Acrylic case Features PC, PBT, ABS keycaps Offers Yes, North-face, Rgb RGB lighting	Released in 2025 Has Linear, Tactile, Clicky, Magnetic switch options Built with the ANSI, ISO, ISO-DE layout standard Utilizes Hall effect sensors Supports QMK firmware Supports VIA configuration Enables rapid trigger functionality Runs at a 1000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 1630 g Sized at 32 x 140 x 322 mm Made with a Metal, Aluminum case Features PBT keycaps Offers Yes, Rgb, North-face, Rgb North-face, South-face, Rgb South-face RGB lighting	Includes a Yes display Supports Wireless connectivity Equipped with a 3000 mAh battery Made with a Aluminum case Offers No RGB lighting
Score	Scores Performance: 52.2 Build Quality: 61.8 Productivity: 91.3 Customizability: 80.1 Portability: 82.9	Scores Performance: 93.4 Build Quality: 88 Productivity: 97.1 Customizability: 97.2 Portability: 81.4	Scores Performance: 43.1 Build Quality: 65.4 Productivity: 50.5 Customizability: 68.2 Portability: 78.8
Name	Name Firstblood B81	Name Keychron Lemokey P1 HE	Name Fancy V81 Plus
Release year	Release year 2023	Release year 2025	Release year 2023
Switch Options	Switch Options Linear	Switch Options Linear, Tactile, Clicky, Magnetic	Switch Options -
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, ISO, ISO-DE	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	Display Support	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 Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 3750 mAh	Battery capacity 4000 mAh	Battery capacity 3000 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 North-face, Rgb	Backlight Rgb, North-face, South-face	Backlight
Case Colors	Case Colors	Case Colors	Case Colors
Case Material	Case Material Acrylic	Case Material Metal, Aluminum	Case Material Aluminum
Keycaps Material	Keycaps Material PC, PBT, ABS	Keycaps Material PBT	Keycaps Material -
Dimensions	Dimensions 100 x 480 x 220 mm	Dimensions 32 x 140 x 322 mm	Dimensions -
Weight	Weight 1500g	Weight 1630g	Weight -

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Product Description

The Firstblood B81 Crystal is a compact 75% mechanical keyboard designed for users who want a visually distinctive, transparent design combined with versatile switch customization. It suits hobbyists and gamers who value a unique aesthetic and the ability to swap switches without soldering. Its wireless and wired connectivity options make it flexible for different setups.

Key Features

Full-key hot-swappable Kailh sockets allow easy switch replacement or experimentation without tools.
Includes letter stickers with transparent backgrounds, letting users choose whether to display legends on keycaps.
Crystal damping knob offers tactile feedback and ergonomic control, beneficial for gaming and precise input.
Bluetooth 5.0, 2.4G wireless, and wired connectivity provide multiple connection modes for convenience.

Build Quality

Constructed with a precision-drilled acrylic surface for high translucency and durability.
Gasket mounting structure reduces typing noise and vibration, improving acoustic comfort.
Ultra-high PC keycaps with FCSA profile support a consistent typing feel and durability.

Typing Experience

Linear Kailh Ice Star Jelly switches require moderate force, suitable for smooth keypresses without tactile bumps.
Gasket mount softens keystrokes, reducing harsh feedback and noise.
Customizable switch options allow users to tailor typing feel to personal preference.

Compatibility

75% layout with 81 keys fits compact desk setups while retaining essential keys.
Compatible with Windows and Mac systems.
North-facing LEDs improve compatibility with keycap designs that have side legends or translucent elements.

Trade-offs

Transparent acrylic case may show dust and fingerprints more easily than opaque designs.
Linear switches may be less suitable for users who prefer tactile or clicky feedback.
Unknown battery life and latency details for wireless modes.

Frequently Asked Questions (FAQ)