MAGSPEED SCROLLING - Speed, precision, and silence. Effortlessly scroll 1,000 lines at once, and stop on a pixel. Auto-shifts between ratchet and hyper-fast modes. GO-ANYWHERE COMFORT – Low-profile design contoured...

Lightspeed: Wireless technology for super-fast 1 ms report rate Romer G mechanical switches deliver quiet, precise mechanical performance and 70 million click life for incredible feel and durability 6 programmable...