Logitech Logitech Wireless mouse Radio Optical Black 7 Buttons 1000 dpi Ergonomic | Conrad.com
Logitech M545 2.4GHz Wireless Mouse with USB Unifying Receiver Plug and Play Ergonomic Optiacal Mouse 1000DPI with Scroll Wheel 2 Thumb Buttons for Laptop Computers - Newegg.com
MR0055 2.4GHz Cordless Mouse User Manual Logitech Far East