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| Redragon UCAL MAX K673 | Skyloong GK75 | Keychron J2 |
-14% off 63 Overall/ Value 62.9Build Quality 62.4Customizability 58.5Performance 65.7Productivity 69.2Portability 75.3![]() | 75 Overall/ Value 74.8Build Quality 75.6Customizability 77.7Performance 78.0Productivity 82.5Portability 79.1![]() | 71 Overall/ Value 70.6Build Quality 70.8Customizability 85.7Performance 69.1Productivity 73.3Portability 73.1![]() |
0.0 stars (0 reviews) | 4.0 stars (1 reviews) | 4.6 stars (20 reviews) |
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Name Redragon UCAL MAX K673 | Name Skyloong GK75 | Name Keychron J2 |
Release year 2024 | Release year 2022 | Release year 2025 |
Switch Options Linear | Switch Options Tactile, Linear, Clicky, Silent | Switch Options Linear, Tactile, Clicky |
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, ISO | 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, Wired only | Connection Bluetooth, 2.4 GHz, Wired, Wireless |
Polling Rate - | Polling Rate - | Polling Rate 1000 Hz |
Battery capacity 4000 mAh | Battery capacity 4000 mAh | Battery capacity 3750 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 - |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb | Backlight Rgb, White, North-face | Backlight Rgb, White |
Case Colors | Case Colors | Case Colors |
Case Material Plastic | Case Material ABS, Aluminum | Case Material - |
Keycaps Material PBT | Keycaps Material PBT, ABS | Keycaps Material PBT |
Dimensions 37 x 335 x 37 mm | Dimensions 36 x 323 x 41 mm | Dimensions - |
Weight 1200g | Weight 1200g | Weight - |
The Redragon UCAL MAX K673 is a 75% compact mechanical keyboard designed for users who want a space-saving layout with essential keys accessible without complex function combos. It suits gamers and typists who value a quieter, softer typing experience and flexible connectivity options. The hot-swappable switch design appeals to hobbyists who want to customize or replace switches easily.