This genuine Logitech 851390-0000 wireless mouse is perfect for those who seek a reliable and convenient pointing device. With two buttons and a USB dongle, this optical mouse offers a seamless connectivity experience. The sleek and modern design is perfect for both personal and professional use. It uses 2 X AAA batteries to wirelessly through the USB dongle device. Both items are in preowned condition and show signs of wear from normal use and storage. See pictures for details, message with any questions.