Logitech M325c 3-Button Optical Mouse w/ USB Receiver Dark Fleur
I like this from Best Buy | Cool things to buy, Wireless optical mouse, Logitech
Logitech M325 Wireless Mouse, 2.4 GHz with USB Unifying Receiver, 1000 DPI Optical Tracking, 18-Month Life Battery, PC / Mac / Laptop / Chromebook- Dark Silver Black Grey: Amazon.co.uk: Electronics & Photo