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Dark gray 75% mechanical keyboard with rotary knob, PBT keycaps, gasket mount, triple-mode wireless

YUNZII

YUNZII B75 PRO Wireless Mechanical Gaming Keyboard 75% Gasket Knob Dark Gray Milk V2 Switch

SKU CH-ZHSY-WJS7R

Compact 75% gasket-mount keyboard with a multimedia knob, hot-swappable pre-lubed linear switches, tri-mode wireless and a 4000mAh battery

  • MaterialABS
  • Keyboard InterfaceUSB Type-C
  • Design StyleMechanical
  • Layout75%
  • Palm RestNo
  • Normal Keys82

Color Dark Gray

Switch YUNZII Milk V2 Switch

  • 75% compact layout keeps number, function and arrow keys while saving desk space
  • Gasket mount with five-layer padding delivers a creamy, quiet typing feel
  • Triple-mode connectivity — Bluetooth, 2.4 GHz wireless and wired USB-C — fits any setup
  • Hot-swappable sockets with pre-lubed Milk V2 linear switches let you customise feel instantly
  • South-facing RGB LEDs and a multifunction knob give per-key lighting control and quick volume adjustment

Compact 75% Gasket Keyboard

The YUNZII B75 PRO is a 75% gasket-mount mechanical keyboard with 82 keys and a multimedia control knob. It uses pre-lubed linear Milk V2 switches and double-shot PBT Cherry profile keycaps. The compact layout keeps number, function and arrow keys while saving desk space. It suits gamers and office users who want a tactile, quiet typing experience with a dedicated volume knob.

Five-Layer Padding and Battery Life

A five-layer gasket structure with noise-cancelling padding, precision stabilisers and factory-lubed switches delivers a creamy, solid sound signature. The keyboard runs on a built-in 4000mAh lithium-ion battery for extended wireless use. Three connection modes — Bluetooth, 2.4GHz wireless and wired USB Type-C — let you choose between mobility and a stable wired link. South-facing RGB LEDs provide per-key lighting without switch interference.

Hot-Swap Upgrade for Custom Feel

The hot-swappable PCB lets you replace switches without soldering, so you can change the linear feel or try other switch types later. The multimedia knob switches between gaming and office modes with a long press and adjusts volume or RGB effects by rotation. This board replaces fixed-switch keyboards and non-hot-swap compact models when you want per-key programmability, gasket acoustics and a knob in a 75% form factor. It is not for users who need a full-size layout with a dedicated numpad or a separate wrist rest.

Highlights

  • 75% compact layout keeps number, function and arrow keys while saving desk space
  • Gasket mount with five-layer padding delivers a creamy, quiet typing feel
  • Triple-mode connectivity — Bluetooth, 2.4 GHz wireless and wired USB-C — fits any setup
  • Hot-swappable sockets with pre-lubed Milk V2 linear switches let you customise feel instantly
  • South-facing RGB LEDs and a multifunction knob give per-key lighting control and quick volume adjustment

Specifications

BrandYUNZII
SeriesWireless Mechanical Gaming Keyboard
ModelB75 PRO
MaterialABS
Keyboard InterfaceUSB Type-C
Design StyleMechanical
Layout75%
Palm RestNo
Normal Keys82
Mechanical KeyboardYes
Key SwitchYUNZII Milk V2 Linear Switch/YUNZII Cocoa Cream V2 Linear Switch
Key Switch TypeLinear
KeycapsDouble-shot PBT Cherry Profile Keycaps
Keyboard ColorPink Heart, White Heart, Matcha Green, Purple, Grey, Black, Dark Gray
BacklitYes
Dimensions334.4*143.6*42.15mm/13.17*5.65*1.66 inch
Type2.4 GHz / Bluetooth / Wired
Power SourceLithium-ion Rechargeable Battery

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Questions about this item

How do I pair the keyboard in Bluetooth mode, and which step is often missed?

Hold the Bluetooth key combination until the indicator flashes, then select the device in your OS Bluetooth menu; the step many miss is keeping the keyboard in pairing mode long enough for the OS to discover it.

Which parts will need replacement after heavy use, and how are they swapped?

The Milk V2 linear switches are hot-swappable, so you can pull them out with a switch puller and press in new ones without soldering; the double-shot PBT keycaps can also be removed with a keycap puller if legends wear.

What limits continuous wireless use before a recharge is required?

The built-in 4000mAh lithium-ion battery sets the runtime ceiling; once depleted the keyboard must be charged via the USB Type-C port to resume wireless operation.

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