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JAMESDONKEY RS2 3.0 Mechanical Keyboard

Jamesdonkey RS2 V3

The JAMESDONKEY RS2 V3 is a compact 99-key mechanical keyboard suited for users who want a balance of typing comfort, customization, and portability. It fits well for hobbyists who swap switches, users needing a versatile wireless connection, and those who appreciate visual feedback from a display screen. Its features support both Mac and Windows with easy switching.</p... Read more
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Compare Jamesdonkey RS2 V3 vs Yunzii IF99 vs Keychron K4 V3 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Jamesdonkey RS2 V3Yunzii IF99Keychron K4 V3
69
JAMESDONKEY RS2 3.0 Mechanical Keyboard
87
YUNZII IF99 QMK/VIA Full Size LCD Mechanical Keyboard
91
Keychron K4 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3
0.0 (0)
0.0 (0)
5.0 (4)
  • Released in 2023
  • Has Clicky switch options
  • Comes with a knob
  • Supports Wireless connectivity
  • Weighs about 1134 g
  • Made with a ABS, Plastic case
  • Offers Yes, Rgb RGB lighting
  • Has Linear switch options
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 8000 mAh battery
  • Weighs about 1238.5 g
  • Sized at 46 x 385 x 143 mm
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Has Linear, Tactile, Clicky switch options
  • Available in a 96% layout
  • Built with the ISO, ISO-UK, ISO-DE, ISO-CH, ISO-Nordic, ANSI layout standard
  • Includes a No display
  • Includes screw-in stabilizers
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Made with a Plastic case
  • Features PC, PBT keycaps
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 47.1
  • Build Quality: 62.3
  • Productivity: 68.4
  • Customizability: 85.7
  • Portability: 51.3
Scores
  • Performance: 81.8
  • Build Quality: 80.5
  • Productivity: 89.3
  • Customizability: 89.7
  • Portability: 63.1
Scores
  • Performance: 82
  • Build Quality: 84.1
  • Productivity: 95.1
  • Customizability: 97.6
  • Portability: 54.1
Name
Jamesdonkey RS2 V3
Name
Yunzii IF99
Name
Keychron K4 V3
Release year
2023
Release year
2025
Release year
2025
Switch Options
Clicky
Switch Options
Linear
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
95%
Layout Size
95%
Layout Size
96%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Standard
ISO, ISO-UK, ISO-DE, ISO-CH, ISO-Nordic, 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
Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
4000 mAh
Battery capacity
8000 mAh
Battery capacity
4000 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
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, South-face
Backlight
 
Rgb, White, South-face, White South-face, North-face
Case Colors
Case Colors
Case Colors
Case Material
ABS, Plastic
Case Material
-
Case Material
Plastic
Keycaps Material
PBT
Keycaps Material
PBT
Keycaps Material
PC, PBT
Dimensions
-
Dimensions
46 x 385 x 143 mm
Dimensions
-
Weight
1134g
Weight
1238.5g
Weight
-
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Product Description

The JAMESDONKEY RS2 V3 is a compact 99-key mechanical keyboard suited for users who want a balance of typing comfort, customization, and portability. It fits well for hobbyists who swap switches, users needing a versatile wireless connection, and those who appreciate visual feedback from a display screen. Its features support both Mac and Windows with easy switching.

Key Features

  • Multi-function color display shows time, date, power, and keyboard status, improving on-the-fly information access.
  • Full-key hot-swappable sockets support 3 and 5-pin switches, allowing easy customization without soldering.
  • Dynamic RGB backlighting with 17 effects offers visual customization to suit different environments.
  • Metallic volume knob provides precise media control and doubles as a display menu controller.
  • Large 4000mAh battery supports extended wireless use, with an accurate power display via a built-in coulomb meter.
  • Three-mode connectivity (wired and two wireless modes) adds flexibility for various setups.

Build Quality and Design

  • Gasket Pro structure absorbs keystroke pressure for a softer, more elastic typing feel.
  • Dual-tone FR4 glass fiber positioning plate reduces low-frequency resonance, improving typing acoustics.
  • Three-layered sound-absorbing foam minimizes switch noise and cavity sound for a quieter experience.
  • Durable dual-tone injection molded PBT keycaps resist shine and wear.
  • ABS and PC chassis materials keep the weight moderate at about 1.13 kg, balancing sturdiness and portability.

Typing Experience

  • Choice of Gateron G Pro 2.0 Silver or Kailh Box V2 Red switches caters to users preferring tactile speed or linear smoothness.
  • Gasket Pro mounting softens impact, reducing finger fatigue during long typing sessions.
  • Sound-absorbing layers create a softer acoustic profile, suitable for quieter workspaces.

Compatibility and Connectivity

  • Supports both Mac and Windows with seamless OS switching, useful for multi-platform users.
  • Three connectivity modes include wired USB and two wireless options, enhancing versatility.

Trade-offs

  • At 99 keys, the layout is compact but may lack dedicated function keys preferred by some users.
  • The keyboard uses ABS and PC materials rather than metal for the case, which may feel less premium to some.
  • Battery life is stated up to 4 weeks but actual duration depends on usage and backlight settings.
  • Software or firmware customization options beyond the display screen menu are unknown.

Frequently Asked Questions (FAQ)

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