Asus WT300 is one kind of Ergonomic Wireless Optical Mouse. This Mouse comes with a Compact and ergonomic design and Symmetrical ambidextrous, which ensures user comfort, and it is perfect for long-term use. This Asus Mouse featured with Optical sensor - two settings (1000 DPI and 1600 DPI) which allows for spontaneous switching by simultaneously pressing the click-wheel and right button. This mouse will give you up to 15 months of battery life and also calculated based on 8 hours of use per day, But here actual battery life may vary on the basis of use. Here used Pixart 3212 IC, which provides up to 15 months of battery life. This Mouse is designed for both left- and right-handed users because of its Symmetrical body design. The WT300 has a precise optical sensor with two sensitivity settings and also you can easily switch its DPI from the default 1000 DPI to 1600 DPI by simultaneously pressing the click-wheel and right button.The new Asus WT300 Wireless Optical Mouse has 01-year warranty.