Razer HyperPolling Wireless Dongle, featuring a true 4000 Hz wireless polling rate.

RAZER™ HYPERPOLLING WIRELESS TECHNOLOGY True 4000 Hz Wireless Polling Rate Experience the fastest wireless performance ever with the Razer HyperPolling Wireless Dongle, featuring a true 4000 Hz wireless polling rate. Unlock a new standard of response with the ultimate upgrade for our most advanced mice, to secure the speed you need for top-flight competitive gaming.