Use the Notebook Blue LED mouse to reliably navigate your computer on almost any surface. The multi-trac mouse in black has an ergonomic shape for comfort. Contour shape – Use this mouse comfortably for hours with ergo- friendly shape and easy grip surface. Wireless – Plug in the Nano receiver and forgot about it! The small receiver plugs into your laptops port and can stay. no need to plug and unplug bulky receiver or deal with cords. Blue LED – Navigate your computer anywhere, on virtually any surface with precision and control without the annoyance of it not working. Multi-surface – Blue LED technology allows this mouse to be used on a glass* desk surface, granite counter tops, hardwood floors, or even airport carpeting. Blue LED technology may not work on some glass or mirrored surfaces. Low Power – Efficient low power consumption requires only one AA battery