Consumer Depot offers this item to our customers at tremendous savings. The following are additional features and specs: Optical 2.4 GHz Wireless Tilt-Wheel Mouse Model: MPT3100BLU. Features: Optical Sensing Technology; 2.4 GHz Wireless Connectivity; Tilt-Wheel Scrolling; Automatic Wireless Synchronization; Magnetic Stowable Nano Receiver; Scalable DPI and Low Battery Indicator. Package Contents: Optical 2.4 GHz Wireless Tilt-Wheel; Mouse; Nano Receiver and . It has 2 AAA Batteries; Software CD (for Tilt-Wheel Function); User''s Manual and Warranty Information. System Requirements: PC and MAC Compatibles; Windows XP; Vista and 7; Mac OS 10.3 and above(Tilt-Wheel Function is compatible for PC only). An Available USB Port This product is a popular item with sleek design and quality features making it a fan favorite of Consumer Depot customers. find out more... See why people are calling this item a must have. Consumer Depot carries this item and many more like it, at great discounts.