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YUNZII B75 PRO 75% Wireless Mechanical Keyboard (Grey,Milk Switch) | Hot Swap Keyboard with Knob, Gasket Mount, Creamy Pre-lubed Switch for Smooth Typing, BT/USB-C/2.4G, for Gaming
YUNZII

YUNZII B75 PRO 75% Wireless Mechanical Keyboard (Grey

Bottom line: The YUNZII B75 PRO 75% Wireless Mechanical Keyboard: Tri-mode: Bluetooth, 2.4GHz, and USB-C wired on one board; main trade-off: macro and RGB programming software is Windows-only.

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Tri-mode: Bluetooth, 2.4GHz, and USB-C wired on one board
  • ✓ 4000mAh battery for long wireless sessions
  • ✓ Full hot-swap sockets take 3-pin and 5-pin switches
  • ✓ Gasket mount plus 5-layer padding for muted, creamy sound
  • ✓ 82-key 75% layout keeps function row and arrow keys

Cons

  • ✗ Macro and RGB programming software is Windows-only
  • ✗ 75% layout drops the dedicated numpad
  • ✗ Milk switch is linear only -- no tactile bump out of the box
  • ✗ South-facing LEDs can dim shine-through on tall keycap profiles

Manufacturer description

The YUNZII B75 PRO is a 75% wireless mechanical keyboard that packs 82 keys, a multifunction knob, and gasket-mounted internals into a compact grey deck. You get three connection modes -- Bluetooth, 2.4GHz wireless, and USB-C wired -- backed by a 4000mAh battery, so you can pair it to a laptop, a desktop, and a tablet without re-cabling. The Milk switch is a pre-lubed linear, and YUNZII pairs it with five layers of padding, precision-tuned stabilizers, and double-shot keycaps to produce the muted, creamy typing sound this price tier rarely delivers. Every socket is hot-swappable and accepts…

SpecPicks Verdict

SpecPicks scored YUNZII B75 PRO 75% Wireless Mechanical Keyboard using a rating × review-volume × price-fit model applied to published specs and reviews across the keyboards & mice category. YUNZII's keyboards & mice lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Does the YUNZII B75 PRO work with a Mac?

Yes -- the keyboard is compatible with Windows and macOS, and connects over Bluetooth, 2.4GHz, or USB-C. Note that the programmable software for key remapping, macros, and custom RGB runs on Windows only.

Can I change the switches without soldering?

Yes. Every key uses a hot-swap socket, and the PCB accepts both 3-pin and 5-pin mechanical switches, so you can swap the stock pre-lubed Milk linears for tactile or heavier switches with a puller.

How many keys does the 75% layout have, and does it keep the arrow keys?

It has 82 keycaps and keeps the number row, the function row, and dedicated arrow keys. The trade-off versus a full-size board is the separate number pad.

What does the knob do?

Rotating it adjusts volume and cycles RGB backlight effects; a long press switches the board between gaming and office modes. The keyboard has over 20 built-in backlight modes driven by south-facing LEDs.

Key Features

  • Tri-mode Connect Custom Mechanical Keyboard:The B75 PRO wireless gaming keyboard supports Bluetooth, 2.4Ghz wireless and stable Wired connection. Built-in 4000mah high-capacity battery, this mechanical keyboard wireless delivers extended usage times in a wireless setup. This large battery capacity ensures that the wireless Bluetooth gaming keyboard is always ready for long work or intense gaming mode
  • Hot Swappable Keyboard & Pre-lubed linear switch:Hot swappable mechanical keyboard takes full-key hot-swappable sockets and ultra-responsive low-latency. Premium PCB board of the custom keyboard is compatible with 3pin/5pin switches, to meet your desired typing feel, whether it's for gaming, typing, or creative endeavors. Pre-lubed linear and tactile switches have a unique design, solid sound and excellent keystroke feel
  • Gasket Mount Keyboard with Five-Layer Padding:The B75 PRO keyboard is designed with the most advanced gasket keyboard structure. With 5-layer padding, noise cancellation design, double shot keycaps, precision-tuned stabilizers and pre-lubricated mechanical switches, this linear keyboard provides a virtually creamy sound keyboard typing experience and a solid typing feel
  • 75% Percent Gasket Mount Mechanical Keyboard & Multimedia Control Knob:The B75 PRO is a compact keyboard with a knob and 82 keycaps. The TKL keyboard has number keys, function keys and arrow keys at the same time. The multi-function knob of the 75% compact mechanical keyboard enables you to adjust the sound level and backlit fast. Long press the multifunctional knob of this RGB keyboard can switch between gaming and office modes, rotate the knob to adjust the keyboard volume and RGB backlit effects
  • South-facing LEDs RGB & Programable:The PC gaming keyboard has more than 20 built-in backlight modes and south-facing LEDs. A variety of dynamic RGB effects and programmable software allow you to experience the unlimited fun of customization. The programmable function of this 75 percent keyboard allows redefining the key, and macro settings, and customizing RGB in Windows system.RGB keyboard is compatible with Windows and MacOS and can work smoothly on all kinds of devices

Full Specifications

BrandYUNZII
ColorGrey
StyleGaming
Themegaming
Weight2.4g
Model NameB75 PRO
Style NameGaming
Unit Count1 Count
Switch TypeLinear
ConnectivityBluetooth, USB-C, 2.4GHz
Model NumberB75 PRO
Power SourceBattery Powered
CompatibilityPC, Switch, Mac
Built-In MediaDust Cover, Extra 7 keycaps and 2 switches, Keyboard cable, Keycap and switch puller, User Manual
Item Type NameGaming keyboard
Number of Keys82
Button Quantity82
Connection TypeWired
Keyboard LayoutQWERTY
Mfr Part NumberYUNZII
Full listing titleYUNZII B75 PRO 75% Wireless Mechanical Keyboard (Grey,Milk Switch) | Hot Swap Keyboard with Knob, Gasket Mount, Creamy Pre-lubed Switch for Smooth Typing, BT/USB-C/2.4G, for Gaming

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YUNZII B75 PRO 75% Wireless Mechanical Keyboard (Grey,Milk Switch) | Hot Swap Keyboard with Knob, Gasket Mount, Creamy Pre-lubed Switch for Smooth Typing, BT/USB-C/2.4G, for Gaming is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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