Comfortable for use in either hand, the black-finished 1000 Wireless Mobile Mouse from Microsoft offers convenient 2.4 GHz wireless technology, and is designed to fit mobile lifestyles with ease and comfort.The affordable and reliable Microsoft 1000 Wireless Mobile Mouse offers up to 10 months of battery life per single AA battery (included) and comes with a power-saving on/off switch and nano transceiver. It features 1000 dpi tracking and three buttons plus a scroll wheel.Pick up and go anytime, with your mouse not far behind when you take along the Microsoft 1000 Wireless Mobile Mouse!