From the manufacturer
Dell Wireless Mouse WM126 -White (N8YXC)
Work and play longer with a long battery life
Up to 1-year of battery life provides you peace of mind knowing that you can stay powered up longer virtually anywhere.
Comfortable design: Work in comfort thanks to a contoured design that feels great in either hand. The mouse features three clickable buttons (left, right, and middle) and includes a scroll wheel for ease of use.
|Connectivity Technology||Wireless – RF|
|Movement Detection Technology||Laser|
|Wireless Receiver||USB wireless receiver|
|Movement Resolution||1000 dpi|
|Features||Scrolling wheel, wireless receiver|