YUNZII B75 PRO Wireless Mechanical Keyboard,75% Layout with Knob,Hot Swap Gasket Structure,Creamy Pre-lubed Switches,RGB Backlit,Bluetooth/Type-C/2.4G for Win/Mac (Dark Grey, Milk Switch)
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
A 75% layout mechanical keyboard with a gasket mount, tri-mode connectivity, and pre-lubed linear switches, designed for users prioritizing typing feel and sound on a budget.
This keyboard is a strong contender for Windows users who prioritize a premium typing feel and sound from a gasket-mounted, hot-swappable board at an entry-level price. Its tri-mode connectivity and 4000mAh battery offer flexibility. However, macOS users will find the Windows-only software and lack of Bluetooth multi-device switching limiting.
If you need robust macOS software support or seamless multi-device Bluetooth, look for keyboards explicitly stating QMK/VIA compatibility or dedicated macOS modes.
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Gasket mount with five-layer padding, pre-lubed switches, and tuned stabilizers provide a creamy typing sound and a bouncy feel.
- Tri-mode connectivity (Bluetooth, 2.4GHz wireless, USB-C wired) offers flexible connection options for multiple devices.
- Hot-swappable sockets are compatible with both 3-pin and 5-pin switches, allowing switch customization.
- Built-in 4000mAh battery supports extended wireless usage.
- Includes a multi-function knob for quick adjustments to sound levels and RGB backlighting.
- South-facing RGB LEDs with over 20 built-in backlight modes provide customizable lighting effects.
Cons
- Proprietary software for key remapping and macro settings is Windows-only, limiting customization for macOS users.
- RGB backlighting, if turned off, reactivates upon keyboard power cycle, requiring manual cycling through modes to disable again.
- Bluetooth connectivity does not support multi-device switching, requiring wired or 2.4GHz dongle for quick device changes.
- Some users report software issues leading to keyboard malfunction or complete failure after attempting updates.
- The plastic case might not offer the same premium feel as keyboards with aluminum construction.
Dimension Scores
The gasket mount, five-layer padding, pre-lubed Milk Switches, and tuned stabilizers create a bouncy and creamy typing experience.
Offers tri-mode connectivity (Bluetooth, 2.4GHz, wired) with a 1,000 Hz polling rate in 2.4GHz mode, providing low-latency connections.
Features south-facing RGB LEDs with over 20 built-in modes and software customization for effects, but individual key color control is limited and RGB resets to 'on' after power cycles.
Constructed with a plastic case and double-shot PBT keycaps, offering a sturdy feel for its price point, with two-step adjustable feet.
Best For
- Budget-conscious users seeking a customizable mechanical keyboard with a satisfying typing experience.
- Gamers and typists who use Windows and want a compact 75% layout with a dedicated knob.
- Individuals who frequently switch between wired and wireless connections on a single device.
Not Recommended For
- macOS users requiring extensive software customization or seamless multi-device Bluetooth switching.
- Users who need a full-size keyboard with a dedicated number pad.
- Anyone unwilling to troubleshoot potential software-related issues.
Watch Out For
- Software can cause the keyboard to malfunction or become unresponsive; one user reported the keyboard 'died' after a software update attempt.
- The RGB backlight does not retain its 'off' state after the keyboard is powered off and on, forcing users to cycle through modes to turn it off again.
- Bluetooth multi-device switching is not supported, meaning you can't quickly toggle between multiple paired Bluetooth devices.
- The programmable software is exclusively for Windows, preventing macOS users from remapping keys or setting macros.
Full Specifications
| ASIN | B0FLD91DCH |
| Brand | YUNZII |
| Color | Dark Grey |
| Style | Gaming |
| Material | Plastic |
| Batteries | 1 D batteries required. (included) |
| Item Weight | 1.98 pounds |
| Manufacturer | YUNZII |
| Special Feature | Backlit, Hot-Swappable, Programmable Keys |
| Item model number | B75 PRO |
| Compatible Devices | Laptop, PC, Smartphone |
| Package Dimensions | 15.75 x 6.65 x 2.48 inches |
| Keyboard Description | Hot Swappable Mechanical Keyboard |
| Connectivity Technology | Bluetooth/Type-C/2.4GHz Wireless |
| Recommended Uses For Product | Everyday Use |
| Keyboard backlighting color support | RGB |
What Buyers Say
Users frequently highlight the surprisingly satisfying typing sound and feel, often described as 'creamy,' especially considering its price point. The spacebar, in particular, receives praise for its acoustics. However, the software presents a recurring problem, with reports of it causing keyboard malfunctions or even rendering the device unusable after updates. macOS users express frustration over the lack of dedicated software and limited functionality.
“Dude, this keyboard sounds so good for what I paid, like seriously, the clicks are just *chef's kiss*. But the software? Total headache, almost bricked it trying to update, and why won't the RGB just stay off when I tell it to?!”
Common Praise
- The typing sound is 'creamy' and satisfying due to gasket mount and pre-lubed switches.
- The spacebar has an exceptionally pleasing sound.
- Hot-swappable sockets allow for easy switch changes.
- Tri-mode connectivity provides flexibility for various setups.
- The multi-function knob is convenient for volume and backlight adjustments.
Common Complaints
- Proprietary software is Windows-only and can lead to keyboard malfunction or failure.
- RGB backlighting does not stay off after powering down and restarting the keyboard.
- Bluetooth does not support switching between multiple paired devices.
- Not ideal for macOS users due to software limitations and lack of Mac-specific features.
- Some keycap markings can be inconsistent.
Ownership Tips
- The keyboard's weight of 1.98 pounds gives it a stable presence on the desk, preventing accidental shifts during use.
- The two-step flip-out feet offer two distinct typing angles, which can improve comfort over long sessions.
- The included keycap and switch puller, along with extra switches, are useful for maintenance and minor customization right out of the box.
- The plastic case, while sturdy, might show fingerprints or minor scuffs more readily than metal alternatives.
Frequently Asked Questions
Does this keyboard work with macOS?
Yes, it's compatible with macOS for basic functionality. However, the programmable software for key remapping and RGB customization is only available for Windows.
Are the switches pre-lubed?
Yes, the Milk Switches come pre-lubed, contributing to a smoother keystroke and a creamy sound profile.
Can I change the switches on this keyboard?
Absolutely, it's a hot-swappable keyboard with sockets compatible with both 3-pin and 5-pin mechanical switches, allowing you to swap them without soldering.
How long does the battery last?
The keyboard has a built-in 4000mAh battery, designed to provide extended usage times in wireless modes.
Can I customize the RGB lighting?
Yes, it features south-facing RGB LEDs with over 20 built-in backlight modes. You can customize RGB effects using the Windows-only software. However, individual key color customization is not available via onboard controls.
Does the knob control anything besides volume?
Yes, the multi-function knob can adjust sound levels and RGB backlighting. A long press can also switch between gaming and office modes.
Buying Guide
When looking at mechanical keyboards, you're really thinking about how it feels and sounds when you type, and how you'll connect it. 'Gasket mount' means the internal components are cushioned, which makes for a softer, bouncier typing feel and often a quieter, 'creamy' sound. 'Hot-swappable' means you can pull out the switches and put in different ones without soldering, letting you customize the feel later. 'Tri-mode' connectivity gives you options: wired for no latency, 2.4GHz wireless with a dongle for low latency, and Bluetooth for convenience with multiple devices.
75% Layout with Knob
This layout keeps most essential keys, including function keys and arrow keys, but cuts down on the overall size by removing the number pad and compacting the navigation cluster. The knob is super handy for quick volume or backlight changes without hunting for function key combos.
Hot Swappable Mechanical Keyboard
This is a big deal because it means you're not stuck with the original switches. If you decide you want a different typing feel—maybe clickier, heavier, or lighter—you can just pop out the old switches and put in new ones, extending the life and customization of your keyboard.
Gasket Structure
Think of it like a tiny suspension system for your keys. Instead of the plate being screwed directly to the case, it's mounted with soft material (the gasket). This absorbs impact, making typing feel softer, less fatiguing, and often produces a more pleasant, less hollow sound.
Tri-mode Connect (Bluetooth/Type-C/2.4G)
This gives you maximum flexibility. Use USB-C for the most reliable, zero-latency connection, 2.4GHz wireless with the included dongle for gaming-grade wireless performance, or Bluetooth for connecting to tablets, phones, or other computers without needing a dongle.
Alternatives
If this keyboard doesn't fit, look for models with QMK/VIA support for open-source software customization, or those explicitly designed for macOS with dedicated keycaps and OS switches. For a full number pad, search for 100% or 96% layout mechanical keyboards.
You Might Also Like
Logitech MK270 Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz, 8 Multimedia Keys, PC, Laptop, Wireless Keyboard Compact Mouse Combo - Black
This is a 2.4 GHz wireless keyboard and mouse combo with a full-size QWERTY layout and 8 multimedia keys, built for basic Windows PC tasks on a tight budget.
Logitech MK270 Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz, 8 Multimedia Keys, PC, Laptop, Wireless Keyboard Compact Mouse Combo - Rose
This is a 2.4 GHz RF membrane keyboard and mouse combo with a full-size layout, best suited for basic Windows PC tasks on a tight budget.
Logitech K270 Wireless Keyboard for Windows, 2.4 GHz Wireless, Full-Size, Number Pad, 8 Multimedia Keys, 2-Year Battery Life, Compatible with PC, Laptop - Rose
This is a full-size, 2.4 GHz wireless membrane keyboard with 8 multimedia keys and a number pad, designed for basic PC and laptop use.
Logitech MK270 Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz, 8 Multimedia Keys, PC, Laptop, Wireless Keyboard Compact Mouse Combo - White
This is a budget 2.4 GHz wireless membrane keyboard and mouse combo with a full-size layout, 8 multimedia keys, and a compact mouse, best for basic PC tasks.