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CoolKiller Spring Series Mechanical Keyboard

Coolkiller Spring Series

The Coolkiller Spring Series is a mechanical keyboard line suited for users who want flexible connectivity and switch customization in compact to near-full-size layouts. It fits hobbyists who swap switches, users needing wireless and wired options, and those who prefer a distinctive, themed design. The series offers three layouts, each with features that support both productivity and casual use.</p... Read more
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CoolKiller Spring Series Mechanical Keyboard

Coolkiller Spring Series - Spring CK68 / Meowth Linear
Mechkeys
Ships to US
$179
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Compare Coolkiller Spring Series vs Velocifire/GDK Lab KV1 65 vs Mxrskey CK650 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Coolkiller Spring SeriesVelocifire/GDK Lab KV1 65Mxrskey CK650
CoolKiller Spring Series Mechanical Keyboard
69
KV1-65 Keyboard Kit [Display Set]
67
MXRSKEY CK650 Aluminum Gasket DIY Barebones Kit
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  • Has Linear switch options
  • Includes a Yes display
  • Equipped with a 3750 mAh battery
  • Weighs about 1500 g
  • Sized at 28 x 329 x 145 mm
  • Made with a Plastic case
  • Features PBT keycaps
  • Offers Yes, Rgb RGB lighting
  • Released in 2026
  • Includes a Yes, LED display
  • Supports Wired, Wired only connectivity
  • Runs at a 1000 Hz polling rate
  • Offers No RGB lighting
  • Comes with a knob
  • Includes a No display
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Equipped with a 8000 mAh battery
  • Weighs about 950 g
  • Sized at 30 x 346 x 105 mm
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 44.3
  • Build Quality: 52.9
  • Productivity: 69.6
  • Customizability: 69.1
  • Portability: 89.5
Scores
  • Performance: 44
  • Build Quality: 75.3
  • Productivity: 53.4
  • Customizability: 60.8
  • Portability: 65.7
Scores
  • Performance: 56.8
  • Build Quality: 72
  • Productivity: 86.6
  • Customizability: 82
  • Portability: 94.2
Name
Coolkiller Spring Series
Name
Velocifire/GDK Lab KV1 65
Name
Mxrskey CK650
Release year
2023
Release year
2026
Release year
2023
Switch Options
Linear
Switch Options
-
Switch Options
-
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
65%
Layout Size
65%
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
 
LED
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
Wired, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
3750 mAh
Battery capacity
-
Battery capacity
8000 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
 
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Colors
Case Material
Plastic
Case Material
Aluminum
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
-
Keycaps Material
-
Dimensions
28 x 329 x 145 mm
Dimensions
-
Dimensions
30 x 346 x 105 mm
Weight
1500g
Weight
-
Weight
950g
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Product Description

The Coolkiller Spring Series is a mechanical keyboard line suited for users who want flexible connectivity and switch customization in compact to near-full-size layouts. It fits hobbyists who swap switches, users needing wireless and wired options, and those who prefer a distinctive, themed design. The series offers three layouts, each with features that support both productivity and casual use.

Key Features

  • Three layout options (65%, 75%, 98%) let you choose between compact and near-full-size keyboards depending on your space and key needs.
  • Three-mode connectivity (Bluetooth 5.1, 2.4GHz wireless, and wired USB-C) allows seamless switching between devices and connection types.
  • Full-key hot-swappable sockets enable easy switch replacement without soldering, supporting personalization and maintenance.
  • Customizable display screen on 65% and 98% variants offers visual feedback or animations, enhancing user interaction.
  • RGB backlighting with customizable effects adds visual customization to match your setup or preferences.

Build Quality and Design

  • Gasket-mounted design with silicone padding improves typing comfort by reducing vibration and noise.
  • Self-developed CSA V3 profile PBT keycaps provide durable, textured keys with a unique legend style.
  • Dual-adjustable feet and anti-slip rubber bottom ensure stable positioning on various surfaces.
  • Magnetic storage compartment for the 2.4GHz receiver (on 75% and 98% models) helps keep accessories organized.

Typing Experience

  • Default switches are customized linear mechanical switches, offering smooth keypresses suitable for typing and gaming.
  • Gasket mounting and silicone padding contribute to a softer, quieter typing feel compared to rigid mounts.

Connectivity and Compatibility

  • Supports Windows, macOS, Android, and iOS devices without additional setup.
  • Bluetooth 5.1 and 2.4GHz wireless provide options for low-latency or convenience depending on use case.
  • Wired USB-C connection ensures stable, lag-free input when needed.

Trade-offs

  • The 75% variant lacks the customizable display screen found on the other layouts.
  • Battery capacity varies by model, but exact battery life is unknown.
  • The unique CSA V3 keycap profile may require adjustment for users accustomed to standard profiles.
  • Weight and size differ significantly between variants, affecting portability and desk space.

Frequently Asked Questions (FAQ)

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