The Model O 2 PRO 4K/8K is perfect for medium to large hands and is designed for palm, claw, or fingertip grip styles. Capable of wireless 2K/4K polling and wired 8K polling for best-in-class mouse performance, it features optical switches with a 0.2ms response time and a 100M click lifecycle with no double clicks. The BAMF 2.0 26K sensor provides flawless tracking, even at high speeds and accelerations. Additionally, with 2.4 GHz wireless connectivity and up to 80 hours of battery life.