Zowie Celeritas II Esports Gaming Keyboard - Optical Switches & N-Key Rollover

The ZOWIE CELERITAS II Keyboard for Esports has been designed to deliver fast and accurate keystrokes for competitive gaming environments. Optical switch technology has been integrated to help prevent double key presses while providing responsive performance during intense gameplay sessions. A more precise pretravel distance has been engineered to support consistent key activation, making rapid commands and movements easier to execute.

High-quality iron springs have been implemented to improve keystroke consistency and long-term durability. Stable performance has been maintained even during extended gaming sessions, helping professional and casual players achieve reliable control. Red LED backlit keys with adjustable brightness have also been included to improve visibility in low-light environments while maintaining a clean esports-focused appearance.

Plug-and-play functionality has been provided, allowing the keyboard to be connected without additional software or drivers. Through the PS/2 interface, Real Time Response (RTR) settings can be adjusted between 1x, 2x, 4x, and 8x for optimized responsiveness. Full 100% N-Key Rollover support ensures that every key press can be accurately registered, even when multiple keys are pressed simultaneously.

Key Features

Optical Switch Technology

Optical switches have been used to reduce the risk of double key presses while delivering fast and responsive actuation for competitive gaming.

Optimized Pretravel Distance

A more precise pretravel design has been engineered to provide improved accuracy and better key response timing during gameplay.

Durable Iron Spring Construction

High-quality iron springs have been integrated to ensure consistent keystrokes and enhanced durability over long-term use.

Adjustable Red LED Backlighting

Red LED illuminated keys with adjustable brightness levels have been included to improve keyboard visibility in dark gaming setups.

Plug & Play Convenience

Driver-free functionality has been supported, allowing quick setup and immediate use across compatible systems.

Real Time Response (RTR) Support

RTR settings of 1x, 2x, 4x, and 8x can be adjusted through the PS/2 interface for customized response performance.

100% N-Key Rollover

Full N-Key Rollover support has been provided to ensure all simultaneous key presses are accurately detected during gameplay.

Specifications

• Product Name: ZOWIE CELERITAS II Keyboard for Esports
• Switch Type: Optical Switches
• Pretravel: Optimal and more precise pretravel
• Spring Design: High quality iron spring
• Durability: Consistent keystroke and improved durability
• Key Press Protection: Avoids double key presses
• Connectivity: Plug & Play, no drivers needed
• Backlighting: Red LED backlit keys with adjustable brightness
• RTR Support: Real Time Response (1x / 2x / 4x / 8x) via PS/2 interface
• Key Rollover: 100% N-Key Rollover

Conclusion

The ZOWIE CELERITAS II Keyboard for Esports has been built for gamers seeking reliable responsiveness, precise keystrokes, and durable performance. Optical switches, adjustable RTR settings, and full N-Key Rollover support have been combined to create a keyboard optimized for competitive gaming and professional esports use.