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GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB Backlit | Gasket Mount, Hot Swappable Linear Switches, Creamy Sound Keyboard, 2.4GHz/USB-C/Bluetooth 5.0, for Win/Mac【Lavender Purple】
GravaStar

GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB Backlit

Bottom line: The GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB: Aluminum alloy chassis, not the plastic shell typical at this tier; main trade-off: 79-key 75% layout drops the numpad and full function row spacing.

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Mike Perry — Hardware researcher since 2014. For keyboards, mice, headsets and other PC peripherals, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Aluminum alloy chassis, not the plastic shell typical at this tier
  • ✓ 40gf linear switches with 1.5mm pre-travel suit fast gaming inputs
  • ✓ Five-layer gasket dampening delivers the deep thock enthusiasts want
  • ✓ 8000mAh battery is far above the 2000-4000mAh wireless norm
  • ✓ Hot-swap sockets plus dual gasket and top mount allow real retuning

Cons

  • ✗ 79-key 75% layout drops the numpad and full function row spacing
  • ✗ Transparent jelly keycaps show fingerprints and oil more than PBT
  • ✗ Aluminum base adds weight versus plastic boards for travel use
  • ✗ Three-ring ambient RGB plus 16.8M colors drains the battery faster

Manufacturer description

The GravaStar Mercury K1 is a 75% wireless mechanical gaming keyboard built around an aluminum alloy chassis with a hollowed-out streamlined frame, finished here in Lavender Purple. Its 79-key layout plus multifunction rotary knob keeps volume and media control within reach while freeing up desk space for wide mouse sweeps. GravaStar's Stellar Bloom linear switches actuate at 40gf with 1.5mm pre-travel and 3.5mm total travel, and a five-layer gasket-mounted dampening stack tunes them toward the deep, creamy thock that enthusiasts chase. Switches are hot-swappable with no soldering, and the…

SpecPicks Verdict

SpecPicks scored GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB… using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. GravaStar's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming peripherals of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Can I use the Mercury K1 with both my PC and my Mac?

Yes. The Mercury K1 supports Windows and Mac, and connects three ways: 2.4GHz wireless, Bluetooth 5.0, and wired USB-C, so you can keep a desktop on the dongle and a laptop or tablet on Bluetooth.

What switches does it come with, and can I swap them?

It ships with GravaStar Stellar Bloom linear switches rated at 40gf actuation force, 1.5mm pre-travel, and 3.5mm total travel. The board is hot-swappable, so you can change switches without soldering.

How large is the battery?

The Mercury K1 uses an 8000mAh rechargeable lithium battery. Actual runtime depends on your RGB brightness and connection mode, so check the product listing for GravaStar's rated hours under specific settings.

Is this keyboard actually quiet, or does it sound hollow?

GravaStar uses a five-layer gasket-mounted sound dampening structure aimed at a deep thock at moderate volumes rather than silence. The dual gasket and top mount design lets you change the acoustics yourself.

How many keys does the 75% layout have, and what does the knob do?

There are 79 keys plus a multifunction rotary knob that adjusts volume and media playback. The compact 75% footprint drops the numpad to free desk space for mouse movement.

Key Features

  • 💜✨【Premium Aluminum Alloy Base with Elegant Streamlined Design】 The Mercury K1 features a sturdy aluminum alloy chassis with a flowing, hollowed-out design that combines durability with sleek aesthetics. Its lightweight yet stable frame provides a solid foundation for gaming, streaming, or desktop setups. The vibrant purple finish creates a bold, stylish look, enhancing any creative or professional workspace.
  • 💜🎮【GravaStar Stellar Bloom Linear Switches with Five-Layer Acoustic Design】 Equipped with GravaStar Stellar Bloom linear switches, the Mercury K1 delivers smooth, precise keystrokes with 40gf actuation force, 1.5mm pre-travel, and 3.5mm total travel. Combined with the 5-layer gasket-mounted sound dampening, it produces a deep, satisfying “thock” at moderate volumes, ideal for gamers, streamers, or typists seeking a high-quality, creamy keyboard experience.
  • 💜🔮【Dual-Layer Jelly Keycaps with Immersive RGB Lighting】 The Mercury K1’s transparent keycaps showcase vibrant RGB lighting with 16.8 million colors, 11 preset effects, 10 sound-reactive modes, and 13 fully customizable settings. Dual independent RGB systems, including three-ring ambient lighting, create a visually immersive gaming, streaming, or office setup, emphasizing both performance and aesthetic appeal for a 75 percent keyboard.
  • 💜🖥️【Compact 75% Layout with 79 Keys and Knob Control】 Featuring a streamlined 75% layout with 79 keys plus a multifunction knob, this black keyboard maximizes desk space while maintaining essential controls. The rotary knob allows intuitive adjustments of volume or media, making it perfect for gaming marathons, streaming sessions, or professional office workflows.
  • 💜⚙️【Hot-Swappable Switches and Dual Gasket & Top Mount Compatibility】 This hot swappable mechanical keyboard supports effortless replacement of switches without soldering, and its dual gasket & top mount structure offers flexible customization. Gamers and keyboard enthusiasts can adjust key feel and acoustics to suit personal preferences, enhancing comfort and precision for every typing or gaming session.
  • 💜🔋【High-Capacity 8000mAh Rechargeable Battery】 Equipped with an 8000mAh lithium battery, the Mercury K1 provides extended wireless use without frequent charging. Ideal for long gaming sessions, streaming setups, or professional workstations, this wireless keyboard ensures reliable performance for desktop or mobile setups.

Full Specifications

BrandGravaStar
ColorLavender Purple
StyleContemporary
ConnectivityBluetooth, USB-C, 2.4GHz
CompatibilityMac
Connection TypeWired
Special FeatureVolume Roller
Compatible DevicesPC
Keyboard DescriptionMechanical
Connectivity TechnologyBluetooth
Recommended Uses For ProductGaming
Keyboard backlighting color supportRGB
Full listing titleGravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB Backlit | Gasket Mount, Hot Swappable Linear Switches, Creamy Sound Keyboard, 2.4GHz/USB-C/Bluetooth 5.0, for Win/Mac【Lavender Purple】

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GravaStar Mercury K1 75% Wireless Mechanical Gaming Keyboard RGB Backlit | Gasket Mount, Hot Swappable Linear Switches, Creamy Sound Keyboard, 2.4GHz/USB-C/Bluetooth 5.0, for Win/Mac【Lavender Purple】 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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