Introducing the Wireless 4K Polling version of the XM2w! The XM2w 4k Wireless Gaming Mouse is the long-awaited high-end wireless version of the XM series. While maintaining the same ergonomic shape, Endgame Gear has integrated numerous internal enhancements for reduced weight and increased consistency. Equipped with the flawless PixArt PAW3395 sensor, a Nordic MCU, and an included high polling rate dongle, this mouse delivers outstanding performance at up to 4000Hz wireless.