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Black 75 percent mechanical keyboard with side knob and front screen, beige and white keycaps

YUNZII

YUNZII B75 PRO MAX 75% Wireless Mechanical Gaming Keyboard Black Milk V2 Switch

SKU CH-GWFJ-4FFMB

Compact 75% wireless mechanical keyboard with a customisable screen, rotary knob, QMK/VIA support and hot-swappable linear switches

  • Keyboard connectionUSB Type-C
  • StyleGaming
  • Keyboard layout75%
  • Key count81
  • Keyboard switchesYUNZII Milk V2 Linear Switch/YUNZII Cocoa Cream V2 Linear Sw
  • Switch typeLinear

Color Black

Switch YUNZII Milk V2 Switch

  • 75% layout with screen and knob for quick status checks
  • QMK/VIA open-source firmware enables full key remapping and macros
  • Tri-mode connectivity links up to five devices via wired, 2.4 GHz, or Bluetooth
  • Hot-swappable sockets with pre-lubed linear switches for smooth typing feel
  • Gasket-mount structure and double-shot PBT keycaps deliver creamy, durable acoustics

Compact 75% Layout with Screen & Knob

The YUNZII B75 PRO MAX is a 75 percent mechanical gaming keyboard with 81 keys, a built-in screen and a rotary knob. It uses ABS construction and double-shot PBT Cherry-profile keycaps in black with beige and white accents. Connectivity covers wired USB Type-C, 2.4 GHz wireless and Bluetooth for up to five devices.

QMK/VIA Customisation for Tweakers

Suits enthusiasts who want open-source firmware control over key mapping, macros, RGB lighting and knob behaviour across multiple profiles. Not for buyers who need a dedicated number pad, a full-size layout or a keyboard without battery maintenance.

Hot-Swap Sockets and Tri-Mode Pairing

Hot-swappable sockets let you change linear switches without soldering; the board ships with pre-lubed Milk V2 switches. Pairing over 2.4 GHz or Bluetooth is straightforward, though switching between five paired devices can require a learning period. The 8000 mAh battery charges via USB Type-C.

How it compares

Measured against everything we stock in Keyboards for PC Gaming, at today’s prices. Recalculated every night.

Price $58.99
Cheaper than about 59% of the 3,966 comparable items (median $68.99).

Specifications

Product
Brand nameYUNZII
Product lineWireless Mechanical Keyboard
Model nameB75 PRO MAX
StyleGaming
Keyboard colorBlack, Beige, White Heart, Pink Heart
Product type2.4 GHz / Bluetooth / Wired
Connectivity
Keyboard connectionUSB Type-C
Power
Power typeLithium-ion Rechargeable Battery
Size & build
Main materialABS
Keyboard layout75%
Key count81
Mechanical keyboardYes
Keyboard switchesYUNZII Milk V2 Linear Switch/YUNZII Cocoa Cream V2 Linear Switch/YUNZII Candy Linear Switch
Switch typeLinear
Keycap detailsDouble-Shot PBT Cherry Profile Keycaps
Product dimensions334.4 × 143.6 × 42.15 mm/13.17 × 5.65 × 1.66 in
More details
Wrist restNo
BacklightingYes

Other versions of this model

5 more in the same range

Questions about this item

What operating system must my computer run to use the QMK/VIA customization on this keyboard?

The keyboard supports both Windows and Mac, so either OS can run the QMK/VIA configurator for remapping keys and macros.

Can I keep my existing USB-A cable and still connect the B75 PRO MAX in wired mode?

The board only accepts a USB Type-C cable for wired use, so a USB-A cable would need a Type-C adapter or replacement.

How do I confirm the 8000mAh battery is charging after I plug in the Type-C cable?

The built-in screen displays the battery level in real time, so you can watch the percentage rise while the cable is connected.

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