Switchblade User Interface – Razer’s award-winning, proprietary Switchblade User Interface puts more control in your hands with ten dynamic adaptive tactile keys. Bind an unlimited number of commands, macros, skills, spells, and any other control you need to ten tactile keys that dynamically change to suit the in-game situation. Switchblade User Interface Applications – Razer Switchblade UI features a wide array of applications such as our social media applications, game enhancing applications, and game specific applications. We are working around the clock with leading developers to steadily increase the number of apps. To learn how to view all of our applications a three-finger swipe from right to left will flip you to the next set of 10 dynamic tactile keys displaying applications. 10 Key Rollover in gaming mode – Actuate as many keys as you have fingers, and have all of them register accurately and quickly in game. With the Razer DeathStalker Ultimate’s anti-ghosting capabilities, you can deliver overwhelming destruction to your opponents, and ensure that every command is registered and executed perfectly. Razer Synapse 2.0 – Razer Synapse 2.0 is cutting-edge, intuitive software that functions as the Razer DeathStalker Ultimate’s brain, automatically syncing the gaming keyboard to a cloud server to download driver and firmware updates, while saving your individual settings. Sync your custom settings and macros automatically with this unified configurator, allowing customization of all your Razer products with a single login.