GravaStar
GravaStar Mercury K1 Lite 75% Wireless Mechanical Gaming Keyboard RGB
Bottom line: The GravaStar Mercury K1 Lite 75% Wireless Mechanical Gaming Keyboard RGB: Tri-mode: 2.4GHz at 1kHz polling, Bluetooth 5.0, USB-C wired; main trade-off: 40gf linear switches only, no tactile or clicky factory option.
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Pros & Cons
Pros
- ✓ Tri-mode: 2.4GHz at 1kHz polling, Bluetooth 5.0, USB-C wired
- ✓ 4000mAh battery rated for weeks per charge
- ✓ Five-layer gasket mount with PORON foam, thocky out of the box
- ✓ Hot-swap sockets let you change switches without soldering
Cons
- ✗ 40gf linear switches only, no tactile or clicky factory option
- ✗ 75% layout drops the dedicated number pad
- ✗ Open-frame skeletal chassis exposes internals to dust and debris
- ✗ Translucent Crystal Aurora keycaps show finger oils on light pastels
Manufacturer description
Its Crystal Aurora colorway pairs translucent keycaps with a white open-frame PC chassis, so RGB diffuses across the board and spills onto the desk instead of staying trapped under the caps. Underneath the aesthetics is a legitimate enthusiast build: a five-layer gasket mount with PORON foam damping, tuned out of the box for the deep thock sound most boards need aftermarket mods to reach. GravaStar x BSUN custom linear switches keep actuation light at 40gf with 2mm pre-travel and 3.6mm total travel, and hot-swap sockets let you change the feel later without soldering. Tri-mode connectivity…
SpecPicks Verdict
SpecPicks scored GravaStar Mercury K1 Lite 75% Wireless Mechanical Gaming Keyboard RGB using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. GravaStar's gaming peripherals 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 gaming peripherals 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
How long does the battery actually last?
GravaStar rates the built-in 4000mAh battery for weeks of continuous use per charge. Runtime depends heavily on RGB brightness and whether you run 2.4GHz or Bluetooth; USB-C keeps you typing while it recharges.
Can I swap the switches without soldering?
Yes. The Mercury K1 Lite is hot-swappable, so you can pull the stock GravaStar x BSUN linears (40gf actuation, 2mm pre-travel, 3.6mm total travel) and drop in switches with a different feel or sound.
Does it connect to more than one device?
It pairs with up to three devices at once and toggles between them. You get 2.4GHz wireless at a 1kHz polling rate, Bluetooth 5.0, and USB-C wired, switchable on the fly.
Does it sound good without modding it?
That is the point of the build. A five-layer gasket mount with PORON foam damps resonance for a deep thock straight out of the box, so the usual tape and foam mods are not required.
Is a 75% layout right for me?
A 75% keeps the function row and arrow keys but drops the number pad, freeing desk space for mouse travel. If you enter numbers all day, a full-size or a separate numpad suits you better.
Key Features
- 🌌 Crystal Aurora Colorway Inspired by the Northern Lights – Inspired by the ethereal beauty of the Aurora Borealis, the Crystal Aurora edition blends soft lavender purple, icy mint green, and crystal-clear accents into a mesmerizing gradient. The translucent keycaps capture and diffuse RGB lighting like dancing northern lights, creating a dreamy glow that transforms any gaming or workspace.
- 🎨 Flowing, Open-Frame Construction – The open skeletal design enhances both airflow and lighting effects, allowing the RGB to spill beautifully across your desk. Its smooth contours and premium PC chassis combine durability with an artful, futuristic look.
- 🎯 Refined Typing Experience – Outfitted with GravaStar x BSUN custom linear switches (40gf actuation, 2mm pre-travel, 3.6mm total travel), the keyboard offers light, effortless keypresses. A five-layer gasket mount system ensures soft, responsive keystrokes and a crisp, satisfying sound profile.
- ⚡ Versatile Tri-Mode Connectivity – Switch instantly between 2.4GHz wireless (1kHz polling rate), Bluetooth 5.0, and USB-C wired connections. Pair with up to three devices at once and toggle between them seamlessly—ideal for gamers, multitaskers, and creative professionals.
- 🔋 Power to Keep You Going – A built-in 4000mAh battery supports weeks of continuous use on a single charge. When it needs a recharge, simply connect via USB-C and keep typing or gaming without interruptions.
- 🎵 Premium Thocky Acoustics Right Out of the Box – Tuned for a deep, satisfying thock with crisp, responsive feedback, the Mercury K1 Lite delivers the sound mechanical keyboard enthusiasts love without requiring additional modifications. A 5-layer gasket-mounted acoustic structure with PORON foam helps reduce unwanted resonance while preserving a rich, balanced sound profile. Hot-swappable support allows you to further customize the sound and feel to match your personal preference.
Full Specifications
| Brand | GravaStar |
|---|---|
| Color | Crystal Aurora |
| Language | English |
| Unit Count | 1 Count |
| Switch Type | Linear |
| Connectivity | Bluetooth, USB-C, 2.4GHz |
| Model Number | K1 lite |
| Compatibility | PC, Switch |
| Number of Keys | 79 |
| Button Quantity | 79 |
| Connection Type | Wired |
| Keyboard Layout | QWERTY |
| Mfr Part Number | K1 lite |
| Number of Items | 1 |
| Number of Packs | 1 |
| Special Feature | Backlit, Ergonomic, Foldable, Hot-Swappable, Programmable Keys |
| Antenna Location | Business, Education, Everyday Use, Gaming, Multimedia, Personal, Photo Editing, Programming, Student, Video Editing |
| Hand Orientation | Ambidextrous |
| Compatible Devices | Gaming Console, Laptop, PC, Projector, Tablet |
| Enclosure Material | Plastic |
Ready to buy?
GravaStar Mercury K1 Lite 75% Wireless Mechanical Gaming Keyboard RGB 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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