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| Yunzii YZ84 | Xinmeng M75 | Keychron J2 |
69 Overall/ Value 69.4Build Quality 74.4Customizability 67.8Performance 51.0Productivity 66.0Portability 73.3![]() | 77 Overall/ Value 77.4Build Quality 71.4Customizability 86.9Performance 70.3Productivity 74.0Portability 73.4![]() | |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | 4.3 stars (9 reviews) |
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Name Yunzii YZ84 | Name Xinmeng M75 | Name Keychron J2 |
Release year 2022 | Release year 2024 | Release year 2025 |
Switch Options Clicky, Tactile, Linear | Switch Options - | 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 | Layout Standard ANSI |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support | Display Support TFT | 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 - | Battery capacity 5000 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 - | 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 | Backlight Rgb, White |
Case Colors | Case Colors | Case Colors |
Case Material - | Case Material Copper, Aluminum | Case Material - |
Keycaps Material PBT | Keycaps Material PBT | Keycaps Material PBT |
Dimensions - | Dimensions 20 x 326 x 152 mm | Dimensions - |
Weight - | Weight - | Weight - |
The Yunzii YZ84 is a compact 75% mechanical keyboard designed for users who want a customizable typing experience with flexible connectivity. It suits hobbyists who frequently swap switches and users needing both wired and wireless options. Its layout saves desk space while maintaining essential keys, making it practical for office or casual gaming setups.
The keyboard supports three connection modes. Wired USB Type-C ensures stable and low-latency use, ideal for gaming or work requiring reliability. Bluetooth 5.1 and 2.4GHz wireless modes add convenience and reduce cable clutter but may have unknown latency and battery life.
The hot-swappable design lets users experiment with different switch types for preferred tactile feedback. The PBT keycaps contribute to a consistent feel and reduce shine from finger oils. The compact 75% layout retains important keys while saving desk space, which can reduce fatigue during extended use.
The YZ84 works with Windows and Mac OS for basic functions. Its software for RGB and macro customization runs only on Windows, which limits advanced configuration for Mac users.