This is a nice product.  M330 is a result of Logitech’s expertise and innovative approach to designing comfortable solutions for over 25 years. Its asymmetric shape is meticulously crafted to guide your right hand to a natural position, while the soft rubber surface with distinctive patterns improves touch feeling. All that allows you to work or study comfortably for hours Track and scroll with excellent accuracy and precision. M330 features a rubber scroll wheel with a tactile feel that gives you a controlled line-by-line scrolling experience. Logitech’s high precision tracking offers next-level cursor control for great navigation on almost any surface  High-performance material feet and a rubber wheel also give you quiet gliding and scrolling. M330 will make you the quiet hero of your shared office space, the night owl partner who doesn’t make a peep,  and the strict librarian’s new best friend. You and Silent Mouse Plus are sure to click - just keep it on the down-low Good silent mouse with almost no sound while clicking, yet you can feel the feedback of click. The mouse is ergonomically designed for right-hand users, which provides thumb rest support and comfort.