the size of a nickel can be left in notebook for instant-use or stored in mouse. ; 2.4 GHz wireless technology. ; Stylish pouch included. ; 6+ months of battery life. ; Slim design for maximum portability. ; Nearly frictionless scroll wheel. ; Navigate the internet with forward and back buttons. ; Five customizable buttons can be programmed with included SetPoint for Windows or downloadable Logitech Control Center for Mac software. ; Dimensions: 2.25 W x 3.75 H x 1 D. ; Weight: 3 oz. Minimum System Requirements ; Windows XP, Vista, or Mac OS 10.3.9 or later required. ; USB or PS/2 port. ; CD-ROM drive. ; Internet access for software download. Included ; Logitech VX Nano Notebook Mouse. ; Software CD. ; USB to PS/2 adapter. ; 2 AAA batteries. ; Receiver. ; Protective pouch. ; User guide.  (less)

minimize cables and clutter. ; Forward and back buttons for web navigation. ; Auto standby and on/off button extend battery life. ; Battery indicator light. ; 1,000 dpi optical engine offers premium tracking. ; Tilt Wheel Plus Zoom lets you effortlessly scroll side-to-side and zoom in and out of documents. ; Dimensions: 2.25 W x 4.75 H x 1.5 D. ; Weight: 3 oz. Minimum System Requirements ; Windows 98, 2000, ME, XP, Vista, Mac OS X 10.3.9 or later required. ; USB port. ; CD-ROM drive. ; Internet access. Included ; LX7 Cordless Mouse. ; USB receiver. ; Batteries. ; USB to PS/2 adapter. ; Installation CD and guide.  (less)