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Mechanical keyboards

YUNZII B75 PRO MAX

The YUNZII B75 PRO MAX fits 81 keys, a TFT screen and a control knob into a 75% layout. The screen can show keyboard status, pictures or GIFs, while QMK/VIA handles key and knob customisation. Its gasket-mounted assembly has hot-swap sockets for compatible 3-pin and 5-pin mechanical switches.

YUNZII B75 PRO MAX with white and pale blue keycaps, TFT screen and silver knob
  • 75% / 81 keysANSI layout
  • TFT screenStatus, pictures and GIFs
  • QMK/VIAKey and knob customisation

A small screen beside the knob

The TFT screen has pages for time, battery and connection information, plus uploaded pictures and GIFs. Screen content is customised through YUNZII's web application, not QMK/VIA. Beside it, the rotary knob has a press-to-mute action and can receive a different assignment through QMK/VIA.

B75 PRO MAX TFT screen pages and rotary knob with separate customisation notes

81 keys without the number pad

The 75% ANSI layout keeps the function row above the typing area and dedicated arrows at the bottom right. A narrow navigation column sits below the screen. The images show pink, dark and pale blue keycap arrangements; decorative and transparent keycaps are specific to the version pictured.

Pink B75 PRO MAX beside a laptop, showing the function row, screen and knob
Dark B75 PRO MAX beside a laptop with RGB lighting and transparent accent keycaps

Set up the keys you reach for

QMK/VIA supports key mappings, macros, multiple layers and lighting settings. You can move a frequently used command to another key or give the knob a different job. The keyboard's screen remains a separate setting in YUNZII's own web application.

B75 PRO MAX QMK/VIA panel showing key mappings, layers, macros and lighting

Change the feel, keep the board

The gasket-mounted assembly includes foam and a silicone dampener beneath the keys. Hot-swap sockets accept compatible 3-pin and 5-pin switches. Candy, Cocoa Cream V2 and Milk V2 linear switches appear in the comparison image; the supplied switch depends on which variant you select.

B75 PRO MAX exploded gasket construction with internal foam and silicone dampener
B75 PRO MAX hot-swap sockets, pre-lubed switches and plate-mounted stabilisers

Wireless options and an 8000 mAh battery

Use three Bluetooth pairing channels to switch between devices, choose the 2.4 GHz receiver, or connect a USB-C cable. The keyboard has Windows and macOS modes. An 8000 mAh battery powers wireless use; screen and backlight settings affect how often you need to recharge.

B75 PRO MAX Bluetooth, USB-C and 2.4 GHz connection diagram

Specifications

Layout
75%, 81 keys, ANSI QWERTY
Display
TFT; status, picture and GIF pages
Knob
Rotary control with mute/unmute press action
Key and knob customisation
QMK/VIA
Screen customisation
YUNZII web application only
Mount
Gasket-mounted
Connections
Bluetooth, 2.4 GHz wireless, USB-C wired
Bluetooth channels
Three pairing channels
Battery
8000 mAh rechargeable
Hot-swap support
Compatible 3-pin and 5-pin mechanical switches
Switch options pictured
Candy, Cocoa Cream V2 and Milk V2 linear; variant dependent
Keycaps
PBT Cherry profile; decorative/transparent accents vary by version
Lighting
South-facing RGB
System modes
Windows and macOS

Frequently asked questions

Does QMK/VIA change the screen images?

No. QMK/VIA handles keyboard and knob customisation. The TFT screen's pictures and GIFs are customised separately through YUNZII's web application.

Does the B75 PRO MAX include a number pad?

No. It uses an 81-key 75% ANSI layout with a function row, dedicated arrows, a screen and a knob.

Are all versions fitted with the same switches and keycaps?

No single configuration should be assumed. The images show Candy, Cocoa Cream V2 and Milk V2 linear switches, plus different keycap treatments. Use the selected variant's colour and switch details.