Pro-grade polling rate with super-smooth tracking: The Pulsefire Haste 2 Pro features a native polling rates up to 4kHz1 for super smooth mouse tracking and responsiveness that unlock a whole new level of performance. Heavyweight performance with a featherweight feel: In the heat of battle, agility is key. Pulsefire Haste 2 Pros lightweight 61g structure is built for speed and maneuverability. Game longer with less fatigue. Long battery life for epic gaming sessions: Play for up to 90 hours2 when fully charged! With Pulsefire Haste 2 Pros improved battery life, you can spend more time winning and less time charging. Pinpoint precision with custom DPI settings: The HyperX 26K Sensor enables smooth tracking and snappy movements with customizable DPI settings up to 26,000 DPI and a maximum 650 IPS. Making clutch plays has never been easier! Dual wireless connectivity modes: Seamlessly sync wherever you play. Use the dongle to connect via 2.4GHz wireless, or switch to Bluet