RAZER SPEEDFLEX CABLE — Woven for greater flexibility and designed to produce minimal drag allows quicker, smoother swipes for tighter mouse control. ERGONOMIC FORM — Developed in partnership with top esports pros, the iconic shape of the Razer DeathAdder has been further improved to continue its legacy of award-winning handling and comfort. 8K HZ HYPERPOLLING TECHNOLOGY — The mouse can communicate its position and clicks to your PC at up to 8000 times a second for near-zero input latency. OPTICAL MOUSE SWITCHES GEN-3 — From an improved 90-million click lifecycle with zero double-clicking issues, to a blistering 0.2ms actuation with no debounce delay, the mouse has the reliability and speed built for esports. FOCUS PRO 30K OPTICAL SENSOR — Flawless tracking performance on a wider variety of surfaces including glass—supported by intelligent functions for enhanced aim and control. 59G ULTRA-LIGHTWEIGHT DESIGN — Enjoy a level of speed and control favored by the world’s top players with one of the lightest ergonomic esports mice ever created.