Gamers seeking precise control in fast-paced titles now have a new option that prioritizes rapid input response without demanding a high budget. SKN released the Qinglong 4.0 TMR keyboard on July 1, 2024, targeting players who need reliable hardware for competitive gaming. This release matters because it brings advanced magnetic switch technology to a price point that undercuts many premium alternatives.
98-key layout with Keychron Lime magnetic switches and tri-mode connectivity
The device features a 98-key layout and relies on Keychron Lime magnetic switches for its core input mechanism. These switches utilize Tunnel Magnetoresistance sensors to detect key presses with extreme accuracy. The keyboard supports tri-mode connectivity, allowing users to connect via Bluetooth, 2.4GHz wireless, or a wired USB-C connection.
Specifications
- Layout: 98-key
- Switch Type: Keychron Lime Magnetic Switch
- Sensor: Tunnel Magnetoresistance (TMR)
- Rapid Trigger Precision: 0.02mm
- Total Travel: 3.5±0.1mm
Technical specifications highlight a Rapid Trigger precision of 0.02mm, which allows for immediate reset of the actuation point. The total travel distance is 3.5mm, with an initial pressure of 30gf and a bottom-out force of 55gf. The internal construction uses a Gasket Pro structure paired with an FR-4 positioning plate to manage sound and feel.
The keyboard includes an 8000mAh battery that provides up to 312 hours of usage time. It ships with PBT double-shot keycaps in an MDA profile for durability and texture. The switches are rated for a lifespan of 100 million clicks, ensuring long-term reliability for heavy use.
SKN priced the Qinglong 4.0 TMR at 399 CNY (around $58.64), which converts to approximately $58.64. The device became available for purchase in China on the same day as the announcement. This pricing makes the magnetic switch technology accessible to a broader segment of the gaming market.
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