<ul><li>Size designed that balances ergonomics with comfort and portability</li><li>Exclusively contoured for both right and left-handed usage with soft touch finish for all-day use</li><li>4-way scroll wheel which also works as button and function can be changed</li></ul> Specifically, The ThinkPad precision mouse was designed to match the ThinkPad laptops and ThinkPad OneLink docks. This mouse includes a sleek design and precise control features that not only enhance your office performance but also provide an excellent option for those mobile users on the go.<br /><br />Optical tracking technology enhances your control through precision performance that operates on almost any surface. This and other features provided to you at a wonderful price.<br /><br /><p> </p>