The Genius Wireless Optical Mouse Traveler 6000 is simple and improves your daily working efficiency - also suitable for either hand. Featuring a precision 1200 dpi optical engine, Traveler 6000 provides great cursor movement control for browsing documents or Internet pages. The Pico receiver is ideal because of its mini size, so you can leave it in your notebook when you are moving around the office. To save on battery purchases, Traveler 6000 is designed with only one AAA battery and a power switch is added to extend the battery life.