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GravaStar Mercury K1 Wireless Mechanical Keyboard

GravaStar Mercury K1

The GravaStar Mercury K1 is a compact 75% wireless mechanical keyboard designed for users who want flexibility in connectivity and switch customization. It suits hobbyists who frequently swap switches, gamers seeking a stable and visually distinctive keyboard, and typists who prefer a linear key feel. Its hot-swappable sockets and multiple wireless options offer adaptability, while its unique design adds a visual element to the workspace.</p... Read more
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GravaStar Mercury K1 Wireless Mechanical Keyboard

GravaStar Mercury K1 - Pink / K1 / Keyboard Only
WhatGeek
Ships to US
$139

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Compare GravaStar Mercury K1 vs Leobog Hi8SE vs NPK Club RO75 Pro Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
GravaStar Mercury K1Leobog Hi8SENPK Club RO75 Pro
62
GravaStar Mercury K1 Wireless Mechanical Keyboard
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  • Weighs about 1080 g
  • Sized at 46 x 343 x 156 mm
  • Comes with a knob
  • Weighs about 1600 g
  • Sized at 33 x 130 x 322 mm
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2025
  • Has Magnetic switch options
  • Utilizes Hall effect sensors
  • Supports QMK firmware
  • Supports VIA configuration
  • Runs at a 1000 Hz polling rate
  • Equipped with a 6000 mAh battery
  • Weighs about 1680 g
  • Sized at 20 x 316 x 136 mm
  • Features PBT, ABS keycaps
Scores
  • Performance: 65.4
  • Build Quality: 66.7
  • Productivity: 66.6
  • Customizability: 63.4
  • Portability: 92.3
Scores
  • Performance: 77.3
  • Build Quality: 69.3
  • Productivity: 83.7
  • Customizability: 67.6
  • Portability: 91.7
Scores
  • Performance: 85.1
  • Build Quality: 81.4
  • Productivity: 89
  • Customizability: 86.2
  • Portability: 92
Name
GravaStar Mercury K1
Name
Leobog Hi8SE
Name
NPK Club RO75 Pro
Release year
2024
Release year
2024
Release year
2025
Switch Options
Linear
Switch Options
Linear
Switch Options
Magnetic
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
USB passthrough
 
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
Battery capacity
8000 mAh
Battery capacity
8000 mAh
Battery capacity
6000 mAh
Hall Effect Support
 
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, South-face
Backlight
 
Rgb
Case Colors
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Aluminum
Case Material
Aluminum
Keycaps Material
-
Keycaps Material
-
Keycaps Material
PBT, ABS
Dimensions
46 x 343 x 156 mm
Dimensions
33 x 130 x 322 mm
Dimensions
20 x 316 x 136 mm
Weight
1080g
Weight
1600g
Weight
1680g
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Product Description

The GravaStar Mercury K1 is a compact 75% wireless mechanical keyboard designed for users who want flexibility in connectivity and switch customization. It suits hobbyists who frequently swap switches, gamers seeking a stable and visually distinctive keyboard, and typists who prefer a linear key feel. Its hot-swappable sockets and multiple wireless options offer adaptability, while its unique design adds a visual element to the workspace.

Key Features

  • Hot-swappable sockets support both 3-pin and 5-pin switches, allowing easy switch replacement without soldering.
  • Custom Kailh Linear switches provide a smooth, consistent keystroke with moderate actuation force, suitable for fast typing and gaming.
  • RGB backlighting includes a three-sided streamer effect that activates quickly, adding dynamic lighting to the desktop environment.
  • Multiple connectivity options include wired USB Type-C, 2.4 GHz wireless, and Bluetooth, offering flexibility for different setups.
  • Large 8000mAh battery supports wireless use, though exact battery life is unknown.

Build Quality

The keyboard features an aluminum alloy exoskeleton that balances strength and lightness. Its gasket-mounted design reduces typing noise and provides a softer keypress feel. The symmetrical metal frame enhances stability, making it suitable for both intense gaming and extended typing sessions.

Typing Experience

The linear Kailh switches have an actuation force around 40gf and a total travel distance near 3.5mm, delivering a smooth and quiet keystroke. The gasket mount helps dampen sound and vibration, improving comfort during long use. Hot-swappable sockets enable users to experiment with different switches to tailor the typing feel.

Connectivity

The Mercury K1 supports wired USB Type-C connection and wireless modes via 2.4 GHz and Bluetooth. This allows seamless switching between devices or use in different environments. Wireless latency and battery life details are unknown, so users prioritizing low latency or long wireless sessions should consider this.

Trade-offs

  • The 75% layout omits a dedicated number pad, which may be less ideal for users needing extensive numeric input.
  • Battery life and wireless latency are unspecified, which could affect wireless reliability for some users.
  • The unique design and RGB effects may not suit minimalistic or professional office environments.

Frequently Asked Questions (FAQ)

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