NuPhyIO Self-developed Driver: NuPhyIO's new design makes it easier for all users to operate. Customizable adjustments appear instantly on the user interface, including real-time key sensitivity tweaks. Quick Keyboard Profile Switching: Depending on different games or office work, we may need to customize key assignments to suit our personal preferences. The top dial on the Air75 HE magnetic switch keyboard allows for one-step switching between pre-set keyboard profiles, eliminating the need to reconfigure keys for varying usage scenarios. Fast response with low latency: Air75 HE magnetic switch keyboard features both an 8000Hz polling rate and an 8000Hz PCB scan rate. The latency is significantly lower than most 8000Hz magnetic switch keyboards and the response time is 50 times faster than traditional gaming keyboards. Two Actions for One Keypress: With One Key Dual Action, the NuPhy Air75 HE lets you assign two different movements to a single key based on varying actuation pressure.