Razer Abyssus Essential Ambidextrous Gaming Mouse - 3500 DPI Sensor and Ergonomic Buttons Whether you’re taking the first step into the competitive world of gaming, or simply looking for a mouse that surpasses the mediocrity of what you’ve been used to, the Razer Abyssus promises to deliver all that you expect. Join the thousands of gamers worldwide that set themselves apart with the Razer advantage. Choose the Razer Abyssus, enter the big league. Designed to focus on the fundamentals of competitive gaming, the Razer Abyssus is armed with ultra-responsive buttons tuned for maximum tactile feedback. With an uncompromising 3500dpi optical sensor at its core and new rubber textured side grips, take full control of your every aim and outgun your competition.