2.4 GHz - 30 ft. Wireless Range / Folds to 60% of its fully expanded size / Ambidextrous Design / Customizable Buttons / Longer Battery Life # The revolutionary design of the Arc Mouse combines the comfort of a Desktop mouse and the portability of a Notebook mouse. Arc Mouse folds to 60% of its fully expanded size when you’re on the go. The 2.4 GHz wireless USB micro-transceiver connects wirelessly right out of the box with virtually no interference and has up to a 30 foot wireless range. Folding the mouse closed automatically turns it off. Save time and effort with the scroll wheel—navigate documents and Web pages without using the on-screen scroll bar. Battery Status LED Indicator glows red when the battery is running low. Micro-Transceiver snaps into the bottom of the mouse. It allows you to flip through open Windows in a stack and quickly Switch between applications for added productivity. Get quick access to the media, programs, and files you use most often with customizable buttons. Use your mouse with your left or right hand—ambidextrous design makes it comfortable either way. Ergonomic design helps you work longer without discomfort. Microsoft Laser Mouse is more precise, more responsive, and delivers smoother tracking. Work with less interruption with longer battery life. 2.4 GHz - 30 ft. Wireless Range # Folds For Portability # Scroll Wheel # Battery Status Indicator # Snap-in Transceiver # One-touch access to Windows Flip 3D # Customizable Buttons # Comfort for Either Hand # Ergonomic Design # Designed for Notebook PCs # Snap-in Receiver # Laser Technology # 6+ Months Battery Life # Unit Dimensions: 4.44" x 2.32" # System Requirements: # Windows Vista/XP (Hard Drive 100MB) # Mac OS X v10.2-10.5 (Hard Drive 30MB) # 2 AAA alkaline Batteries required (included) # Available USB Port