Razer Speedflex Cable Minimal drag and fluid swipes. Woven for greater flexibility and designed to produce minimal drag, you'll be able to perform quicker, smoother swipes for tighter mouse control. Razer 8000Hz HyperPolling Technology 8x faster than other gaming mice. With a true 8000Hz polling rate, the mouse can communicate its position and clicks to your PC at up to 8000 times a second for nearzero input latency and a level of speed you've yet to experience. Razer Optical Mouse Switches Gen3 No doubleclicking issues. No debounce delay. From an improved 90million click lifecycle with zero doubleclicking issues, to a blistering 0.2ms actuation with no debounce delay, the mouse has the reliability and speed built for esports. Razer Focus Pro 30K Optical Sensor Bestinclass precision. Razer's brandnew sensor provides flawless tracking performance on a wider variety of surfaces including glass supported by intelligent functions for enhanced aim and control. Refined Ergonomic Form Optimized for unrivalled handling and comfort. Developed in partnership with top esports pros, the iconic shape of the Razer DeathAdder has been further improved to continue its legacy of awardwinning handling and comfort. 59g Ultralightweight Design No deadweight. Made more than 25% lighter than the Razer DeathAdder V2, enjoy a level of speed and control favored by the world's top players with one of the lightest ergonomic esports mice ever created.