Ranked in these QuestionsQuestion Ranking
Pro Good battery life
Logitech promises a battery lifespan of 18 months off of a single AA battery.
Pro High quality build, very durable
This mouse is amazing quality for the price. The trackball is smooth and precise, and the mouse feels very well built/durable.
Con Learning to use the thumb to control the trackball might take a while
Most trackballs are finger-operated, and learning a new to control the mouse might take some time.