Microsoft 3500 Limited Edition Artist Series Wireless Mobile Mouse, Saksi (GMF-00329) 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. BlueTrack Technology. Take advantage of BlueTrack 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. On/Off Switch. Conserve battery power by turning off your mouse when not in use. Comfortable in Either Hand. Use your mouse with your left or right hand. Ambidextrous design makes it comfortable either way.