Nano wireless mouse. This Kensington Pro Fit Wireless Mouse is a great mouse to have when travelling or when you simply want less cables to deal with. The high definition sensor (1750 DPI) gives you great accuracy. The mid-sized right-handed design gives you comfort. Compatible with both Mac and Windows. Pro Fit Mouse w Nano Receiver. Wireless mouse w/ nano receiver Kensington Pro Fit K72405US Black RF Wireless Optical Mid-Size Wireless Mouse. Kensington Pro Fit Mid-Size Right-handed Wireless Mouse w/ Nano Receiver Black/Blue Kensington Pro Fit 2.4Ghz Wireless Optical Mid-Size Mouse, Ergonomic Design, 1750 dpi, Scroll Wheel, w/ Nano Receiver, Model: K72405US.