Programmable Control Buttons There are a total of three programmable control buttons on the Logitech optical USB mouse. This mouse with 3 buttons is absolutely user-friendly for the ones who are looking for a cost-effective mouse that works for them in the easiest way possible. Shape & Design The shape and the design of this easy to use optical mouse are simply perfect for both left-handed and right-handed people. The design of the mouse is user-friendly making it possible for every individual to use it in the most effective manner. Report Rate & Speed Optical technology has been used in this Logitech optical USB mouse with a resolution of 800 dpi. It is a plug and play device that requires zero set-up making is ideally suitable for the ones who do not have the time and even the experience of installing computer hardware accessories in the most efficient manner. Material & Durability The Logitech optical USB mouse is a durable mouse that has been made of top quality plastic rendering it the ability to last for a very long time. Scroll Wheel The scroll wheel of this mouse is quite flexible and it makes working on the computer and browsing the internet easy for the users. One of the best things about this product is that it works wonders in providing the most effective solutions for the browsing and the surfing requirements of the people. The accurate tracking and low sound of this product is something that catches the attention of the users. Apart from this, the fact that it fits in the palm without giving any kind of trouble also comes in as an added bonus.