Innovera Wireless Optical Notebook Mouse

4-button, optical mouse. 4-way scrolling, 800/1600 dpi. 2.4 GHz for extended range up to 26 feet. Mini USB receiver stores within mouse. 2 AAA batteries included. Graphite. Perfect for travel. 4-way scrolling for rapid navigation (Horizontal scroll may not be supported by MAC OS X 103 and earlier). 800/1600 dpi button for touch of a button hi-res precision. No more lost components - mini USB receiver snaps into mouse when not in use. Compatible with Windows ME/2000/XP/ Vista and MAC OS X, 10.4 and higher. Plug and Play with Auto Link - no connect buttons to press. Sleek design allows use by either right or left hand. Graphite. Contents: Wireless Optical Mouse. Mini USB receiver. 2AAA batteries included. CD Driver for 4-way scroll function. User's Manual. System Requirements: Windows ME 2000, XP, Vista and MAC OS X, 10.4 and higher. USB port. Made in China.