GravaStar Mercury K1 Pro 75% Wireless Mechanical Keyboard

The GravaStar Mercury K1 Pro is a 75% wireless mechanical keyboard with a 79-key layout, hot-swappable linear switches, RGB lighting and three connection modes. Its compact layout and adjustable feet suit gaming and everyday desk use, the listing also claims long battery life, with different estimates depending on lighting.

At a glance

Hot-swap capability lets users change compatible switches without soldering, according to the listing.
The 75% layout has 79 keys and a dedicated control knob, leaving more desk area for a mouse than a larger layout may.
Three described connection modes cover 2.4GHz wireless, Bluetooth and wired USB-C use.
Adjustable feet provide a way to change keyboard height, the listing describes an aluminum skeletal frame.

Price

$179.95Save 10%

Reference price: ~~$199.95~~

Price checked: Nov 11, 2026

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Pros and cons

Pros

Compact 79-key layout includes a dedicated control knob for volume or mute.
Hot-swappable linear switches offer customization, with a stated 45gf actuation force and 1.2mm pre-travel.
Listing describes independent RGB lighting systems and web-based customization.

Technical specifications

18 specifications

Identity and layout
Brand	GravaStar
Keyboard type	Gaming
Layout	75% Layout, 79 Keys & Adjustable Mechanical Feet

Connectivity and controls
Wireless connection listed	Bluetooth, USB-C, Wi-Fi
Connection modes described	2.4GHz wireless, Bluetooth, and wired USB-C connections
Compatible devices	Laptop, PC, Tablet
Special features	Backlit, Ergonomic, Foldable, Hot-Swappable, Programmable Keys

Switches and lighting
Switch type and model	GravaStar x Kailh Speedy Mint Linear Switches
Actuation force	45gf
Pre-travel	1.2mm
Switch durability rating	70,000,000 keystrokes
Backlighting color support	RGB
Lighting modes and colors claimed	16.8 million colors and 13 lighting modes

Materials and dimensions
Material	Aluminum
Dimensions listed	16.34"L x 7.38"W x 2.27"H
Color	Cyberpunk

Battery claims
Use time with lighting off	up to 470 hours
Use time with lighting on	up to 40 hours

What to know before buying

Listing details to confirm

The connection details are inconsistent: the specifications field lists Bluetooth, USB-C and Wi-Fi, while the feature description identifies 2.4GHz wireless, Bluetooth and wired USB-C, confirm the connection options for the selected listing. Battery estimates are mode-dependent claims: up to 470 hours with lighting off and up to 40 hours with lighting on, under unspecified conditions. The feature text calls the feet adjustable, while the special-feature field also labels the keyboard foldable, folding capability is unconfirmed.

What’s in the box

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Who is it for?

A good fit for

Buyers wanting a compact gaming or general-use keyboard with a dedicated control knob.
Users who value switch customization and RGB effects.

Less suited to

Buyers who need a full-size layout or a confirmed, specific wireless protocol before purchase.

GravaStar Mercury K1 Pro 75% Wireless Mechanical Keyboard · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 895 ratings

5 stars88%88%
4 stars7%7%
3 stars1%1%
2 stars0%0%
1 star4%4%

The supplied evidence contains a 4.7 out of 5 star aggregate rating, but no review count or qualitative customer feedback. That figure alone does not show what buyers liked or disliked, or how the keyboard performs for a particular use.

Frequently asked questions

Can the switches be changed?

The listing describes the Mercury K1 Pro as hot-swappable and identifies its switches as GravaStar x Kailh Speedy Mint linear switches.

What connections does it support?

The feature text describes 2.4GHz wireless, Bluetooth and wired USB-C. Another specifications field lists Bluetooth, USB-C and Wi-Fi, so the exact connection details are inconsistent in the listing.

How long does the battery last?

The listing claims up to 470 hours with lighting off or up to 40 hours with lighting on. These are mode-specific estimates, and the conditions are not detailed.