Just a simple USB mini-receiver that actually snaps right into the bottom of the mouse for easy transport. Why slow down using your notebook's touchpad? Just order this Logitech V220 3-Button Wireless Notebook Optical Scroll Mouse and stay ahead of the game.
Logitech is back with this brand new and unique Logitech MX Ergo trackball: an ergonomic combination of Trackball Mouse and a Vertical Mouse. At $99 (or €109) it is not cheap, but it features wireless (Bluetooth!) connection, state-of-the-art vertical tilt design that aims to relieve wrist pain, and 8 buttons.