Make the most of smooth, efficient mouse use with the reliably impressive Logitech M235 Wireless Optical Mouse. The Logitech M235 Wireless Optical Mouse offers no optical illusion when it comes to tracking thanks to advanced technology working on surfaces other mice can't handle. This mouse operates using a specular optical lens, meaning that it tracks in greater detail and is more sensitive of detecting light off of surfaces for accurate precision. The Logitech M235relies upon 2.4 GHz wireless connectivity for smooth performance when it comes to your mouse usage. Keep your nano receiver plugged into your USB port at all times for instant connectivity, without any issues. This mouse does not take the Mickey when it comes to battery life, with one AA sized battery offering a year's battery life for effective use. You can also extend the life of your battery in the Logitech M235thanks to an on/off switch and smart sleep mode, while a light indicator informs you of low battery! For comprehensive mouse use, enjoy superb connectivity and battery life with the Logitech M235 Wireless Optical Mouse.