YUNZII
YUNZII B75 PRO MAX QMK/VIA Knob TFT Screen Wireless Mechanical Keyboard

The YUNZII B75 PRO Max is a 75% (81-key) wireless keyboard with a rotary knob and a customizable TFT status screen. It uses a gasket-mount structure with five-layer foam, hot-swappable 3-pin/5-pin sockets, double-shot PBT Cherry-profile keycaps and QMK/VIA firmware, and offers tri-mode connectivity backed by an 8000mAh battery.
Last Updated: September 6, 2026
Specifications
Physical Specifications
- Layout
- 75%
- Key Count
- 81
- Width
- 334.4mm
- Depth
- 143.6mm
- Height
- 42.15mm
- Weight
- 0.99kg
Mount Type
- Mount Type
- Gasket Mount
- Hot-swappable
- Yes
- Connectivity
- USB-C + Bluetooth + 2.4GHz
- RGB Support
- Yes
- Keybinding
- QMK/VIA
Keycap Profile
- Keycap Profile
- Cherry
- Keycap Material
- Double-Shot PBT Cherry Profile Keycaps
- Keycap Included
- Yes
Default Switch
- Switch Profile
- Standard Profile
Other
- Battery Capacity
- 8000mAh
Vendor Information
yunzii
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