Razer Abyssus Essential Ambidextrous Gaming Mouse - 3500 DPI Sensor and Ergonomic Buttons Highly tactile ergonomic buttons 3500dpi optical sensor Textured surface side grips Razer Synapse Personalized device settings anywhere Inter-device communication Scroll wheel Hype response buttons Know the exact moment when your commands register in-game as you wield the all-new Razer Abyssus. With rapid-fire tactile switches under the 3-button setup, each boasting a lifespan of up to 5 million clicks, and designed with ergonomic grooves for your fingers, you'll always have speed, durability, and comfort in any gaming situation. Experience the superior sensitivity and responsiveness of this gaming mouse as it accurately translates your every move, into in-game movement. Fitted with a 3500dpi optical sensor, the Razer Abyssus lets you truly perform as fast as your reflexes. Upgraded with rubber textured side grips, the Razer Abyssus now gives you even more control and precision over your mouse during lift-offs and fast swipes.