Razer Essential - DeathStalker Gaming Keyboard and Abyssus Gaming Mouse Combo Bundle &#10004; Actuate as many keys as you have fingers, and have all of them register accurately and quickly in-game. &#10004; With the Razer DeathStalker's anti-ghosting capabilities, you can deliver overwhelming destruction to your opponents, and ensure that every command is registered and executed perfectly. &#10004; Razer Synapse 2.0 is cutting-edge, intuitive software that functions as the Razer DeathStalker's brain, automatically syncing the gaming keyboard to a cloud server to download driver and firmware updates, while saving your individual settings. &#10004; Highly tactile ergonomic buttons, 3500dpi optical sensor, Textured surface side grips, Razer Synapse &#10004; Personalized device settings anywhere, Inter-device communication, Scroll wheel