Microsoft Wireless Mobile Mouse 3500 Limited Edition Artist Series - Olofsdotter (GMF-00376) Art that Works - Choose the piece of art that reflects your personal style. Microsoft has teamed up with premier artists from around the world, to bring you these unique mice. Blue Track Technology - Take advantage of Blue Track Technology, which combines the power of optical with the precision of laser for remarkable tracking on virtually any surface. Plug-And-Go Nano Transceiver - Leave the nano transceiver plugged in when you're on the go, or stow it in the mouse. 8-Month Battery Life - Use your mouse for up to eight months without having to change batteries. Battery status indicator tells you when battery power is low. Art you can feel on a mouse with textured printing that traces the designs.