Hover to zoom · click for full imageA see-through 75% gasket-mounted mechanical keyboard with hot-swap BSUN linear switches, per-key RGB and tri-mode wireless.
The GravaStar Mercury K1 Lite reimagines the 75% mechanical keyboard as a piece of transparent industrial art. Its clear PC/PVC frame and shine-through keycaps put the internals and per-key RGB fully on display, so every one of the 13 lighting modes glows edge to edge. A compact 80-key layout keeps arrows and function keys within reach while freeing up desk space for the mouse.
Under the crystal shell sits a proper enthusiast build: a gasket-mounted plate with five-layer foam dampening tuned for a deep, creamy typing sound, and GravaStar x BSUN custom linear switches (40gf, 2mm actuation) that come pre-lubed out of the box. The board is fully hot-swappable for both 3-pin and 5-pin switches, so you can retune the feel and sound without soldering.
Connectivity is tri-mode. Drop into 2.4GHz wireless for low-latency gaming, pair up to Bluetooth 5.0 for multi-device work, or plug in over USB-C for a rock-solid wired link with a higher polling rate. A 4000mAh battery keeps it running for up to 235 hours between charges, and it works across both Windows and macOS.
| Spec | Value |
|---|---|
| Layout | 75% compact (80 keys) |
| Connectivity | Tri-mode: 2.4GHz Wireless, Bluetooth 5.0, USB-C Wired |
| Polling Rate | 1000Hz (2.4GHz) / up to 8000Hz (wired) |
| Switches | GravaStar x BSUN custom linear, hot-swappable |
| Switch Feel | 40gf actuation, 2mm pre-travel, 3.6mm total travel |
| Hot-Swap | Supports 3-pin & 5-pin switches |
| Mounting | Gasket mount with 5-layer foam dampening |
| Frame | Transparent PC/PVC polymer |
| Keycaps | Transparent shine-through PC |
| Backlight | Per-key RGB, 13 lighting modes |
| Battery | 4000mAh, up to 235 hours |
| Compatibility | Windows / macOS |
| Dimensions | 343 x 156 x 46 mm |
| Weight | 0.85 kg |
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