Design & build
The S75 Pro sticks to the 75% formula: full alpha cluster, a proper function row, arrows and a squeezed right column — 80 keys inside a 333 × 147 mm footprint. That is roughly two-thirds the desk space of a full-size board while keeping the keys people genuinely reach for.
At about 959 g it is dense for a plastic-cased 75%, which is the point. Weight and internal bracing are what stop a board sounding hollow, and the S75 Pro does not slide around under a heavy left hand. The trade-off is portability: this is a desk keyboard, not a commuter.
Keycaps are double-shot PBT with side-printed legends. Side printing keeps the top surface clean and lets RGB spill through the front face rather than shine-through legends — a look that suits the neon-lit build. Double-shot PBT also means the legends are moulded, not painted, so they outlast the switches under them.
- 333 × 147 mm footprint, 43 mm at the tallest point
- 80-key 75% layout with dedicated arrows and function row
- Double-shot PBT, side-printed — no fading, no greasy shine
- RGB with 16.8 M colours and 19+ effects, switchable from the knob
Typing feel & sound
This is the section that justifies the "Pro" suffix. The S75 Pro uses a gasket mount: the switch plate is suspended between layers of dampening material instead of being screwed rigidly to the case. Every keystroke lands on a cushion, so the impact is absorbed rather than transmitted straight into a plastic shell.
AULA pairs that with an extended integrated silicone pad and single-key PCB slotting — flex cuts around each switch position. Together they do two things: soften the bottom-out, and remove the high-frequency ping that makes cheap boards sound like a biscuit tin.
The result is the "creamy" profile people chase — a low, muted thock rather than a clack, with none of the case rattle you expect at this price.
Practically, it means long sessions are less fatiguing and shared rooms are less annoyed. It is quieter than a plate-mounted board with the same switches, and noticeably more stable during fast, repeated presses.
Switches & hot-swap
Two switch options ship depending on the variant: Caramel Latte and Seiya, both factory pre-lubed. Pre-lubing is the difference between a smooth downstroke and a scratchy one, and it is the single upgrade most budget boards skip because it costs labour, not parts.
Every socket is hot-swappable and tool-free: lift a switch out with the included puller, press a new one in, done. No soldering iron, no voided warranty, no commitment to a feel you might not like in a month. If the stock linears turn out too light or too heavy, a $20 switch order fixes it.
- Pre-lubed from the factory — smooth on day one
- Tool-free hot-swap on every key, standard MX-style stems
- Swap linears for tactiles later without touching the PCB
Screen & knob
The S75 Pro's party trick is the small colour LCD in the top right, next to a multi-function rotary knob. The screen is not decoration: it shows battery status, date and time, the active operating system, volume level and the current backlight effect — exactly the things you otherwise guess at on a wireless board.
The knob handles volume by default and doubles as a fast way to cycle RGB effects and brightness without memorising Fn combinations. Between the two, most day-to-day adjustments never touch software.
You can also upload custom GIFs to the display. The catch: that, plus calibrating the clock, requires the Windows driver and a wired connection. It is a one-time setup, but it is a Windows-shaped one.
Wireless & battery
Three connection modes, and they each have a job:
- 2.4 GHz dongle — the gaming mode. Sub-10 ms latency, 1000 Hz polling.
- Bluetooth 5.0 — the convenience mode. Pair a laptop, a tablet, a phone, and hop between them.
- USB-C wired — the setup mode. Zero latency, charges while you type, required for the configurator.
Power comes from a 4000 mAh lithium cell rated at up to 80 hours. Read that the way you read every battery claim: it assumes backlighting off or very low. Run full-brightness RGB over 2.4 GHz and you will be charging far sooner — which is true of every RGB wireless board, and why the on-screen battery readout earns its place.
Gaming
For a board in this bracket, the numbers are right: 1000 Hz polling and under 10 ms on the 2.4 GHz link. In practice that is indistinguishable from wired for everything short of top-flight competitive play, and the pre-lubed linears give the quick, consistent resets that matter in shooters.
The gasket mount helps here too — less bounce and less noise during rapid repeated presses, so spam-heavy inputs stay stable. Macros for repeated sequences are available through the driver.
What it is not: a magnetic Hall-effect board with adjustable actuation and rapid trigger. If your priority is the last few milliseconds of a ranked ladder, that is a different — and considerably more expensive — category. For everyone else, this is plenty of keyboard.
Software
Here is the honest weak spot. The AULA driver is Windows-only, and it is where macro recording, per-key RGB and screen customisation live. It works, but it looks and behaves like utility software rather than a polished suite — and software complaints are the recurring theme in owner feedback.
There is also no advertised VIA or QMK support. If your idea of a good keyboard includes open firmware and a browser-based layout editor, this board will frustrate you.
The mitigation is that the hardware is unusually self-sufficient. Between the knob, the Fn shortcuts and the screen, you can live without opening the driver after initial setup — which is more than most screen-equipped boards can claim.