YUNZII
YUNZII B75 PRO 75% Wireless Mechanical Keyboard
Bottom line: The YUNZII B75 PRO 75% Wireless Mechanical Keyboard: 4000mAh battery spans Bluetooth, 2.4GHz, and USB-C wired modes; main trade-off: 75% layout drops the dedicated numpad for spreadsheet work.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ 4000mAh battery spans Bluetooth, 2.4GHz, and USB-C wired modes
- ✓ Multifunction knob toggles gaming/office modes, volume, and RGB
- ✓ Hot-swap sockets accept both 3-pin and 5-pin switches
- ✓ Gasket mount with 5-layer padding and pre-lubed linear Milk switches
Cons
- ✗ 75% layout drops the dedicated numpad for spreadsheet work
- ✗ Macro and RGB programming software is Windows-only
- ✗ Milk linear switches ship stock; tactile fans must buy their own
- ✗ South-facing LEDs dim under thick or non-shine-through keycaps
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.
Key Features
- 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.
- 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.
- Tri-mode Connect：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.
- 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
| Brand | YUNZII |
|---|---|
| Color | Olive Green |
| Style | Gaming |
| Weight | 2.4g |
| Model Name | B75 PRO |
| Style Name | Gaming |
| Unit Count | 1 Count |
| Switch Type | Linear |
| Connectivity | Bluetooth, USB-C, 2.4GHz |
| Model Number | B75 PRO |
| Power Source | Battery Powered |
| Compatibility | PC, Switch, Mac |
| Built-In Media | Dust Cover, Extra Keycaps and Switches, Function Card, Switch and Keycap Puller, USB Cable for Type-C and 2.4G Dongle, User Manual |
| Number of Keys | 82 |
| Button Quantity | 82 |
| Connection Type | Wired |
| Keyboard Layout | QWERTY |
| Mfr Part Number | YUNZII |
| Number of Items | 1 |
| Special Feature | Backlit, Hot-Swappable, Programmable Keys, Rechargeable, Volume Roller |
| Full listing title | YUNZII B75 PRO 75% Wireless Mechanical Keyboard (Olive Green,Milk Switch) | Hot Swap Keyboard with Knob, Gasket Mount, Creamy Pre-lubed Switch for Smooth Typing, BT/USB-C/2.4G, for Gaming |
Ready to buy?
YUNZII B75 PRO 75% Wireless Mechanical Keyboard (Olive Green,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.
Related Keyboards & Mice
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Retro Handhelds in 2026 — From $35 to $500
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
More reviews from the SpecPicks archive
Browse all reviews →- Best Retro Mini Console & Handheld in 2026
- AMD Ryzen 9 9950X3D2 on Linux vs Windows 11: Why the Penguin Wins
- MSI RTX 3060 Ventus vs ZOTAC RTX 3060 Twin Edge: Which 12GB Card to Buy
- Custom Steam Controller Startup: Reviving OG Big Picture Mode
- Best Budget Gaming PC Build 2026: AMD Parts Guide
- Best 24GB GPU for Local LLM Inference in 2026
- Air vs AIO for the Ryzen 7 5800X: Noctua NH-U12S vs CoolerMaster ML240L
- Intel-Scaler vLLM 0.21.0: What the New Release Changes for Intel GPU Inference
- AI-Driven Win9x Driver Install: How Vision-LLMs Tame Vintage Installers (2026)
- Solar-Powered Bird Identifier: Raspberry Pi Zero 2W + AI Camera
- Can a Raspberry Pi 4 8GB Run a Local LLM in 2026? tok/s for TinyLlama, Phi, and Qwen
- Stable Diffusion vs Flux — which open image model wins in 2026?
- Qualcomm Enters the Data-Center Market With Its Own AI Processor
- Local Video-Gen on 12GB: What an RTX 3060 Does in the Gemini Omni Flash Era
- Build a Raspberry Pi 4 NAS With an SSD in 2026
- Windows XP Gaming in 2025: Hardware, Fixes, Best Games
- Sound Blaster Audigy 2 ZS vs Audigy FX for Windows XP Gaming (2026)
- Best Budget Local-LLM Box: RTX 3060 12GB + Ryzen 5 5600G
- Inside China's Mini PC Production: How They're Built
- Ollama vs LM Studio vs vLLM: Choosing a Local LLM Runner
- Cursor vs Cline vs Aider for Local-First AI Coding in 2026
- KOORUI 4K QD-Mini LED vs Samsung Odyssey 4K: Best Budget 4K Gaming Monitor in 2026?
- Steam Deck LCD 6TB Man-Cave Setup: Storage & One-Cable Dock
- Dual RTX 3090 LLM Training: 2026 Benchmarks & Build Guide
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090