Product details of Fantech W545 2.4 Ghz Wireless Professional Office Mouse with Precision Scroll Button (Red/Black) Compact shape Smart sleep mode Precision tracking Nano usb receiver 10m range detected Fantech W545 2.4 Ghz Wireless Professional Office Mouse with Precision Scroll Button - Red works with windows-based and Mac computers. No software, no hassles, just plug in the tiny wireless nano receiver and you get a reliable connection with virtually no delays or dropouts. You can go up to six months easily without battery hassles. Smart sleep mode help conserve power. Specifications of Fantech W545 2.4 Ghz Wireless Professional Office Mouse with Precision Scroll Button (Red/Black) Brand Fantech SKU FA797ELAA75XTKANMY-15075049 Warranty Type Local Supplier Warranty Model Biosys-Fantech - W545 - Red What’s in the box 1 x Fantech W545 2.4 Ghz Wireless Professional Office Mouse with Precision Scroll Button (Red/Black)