Cordless Mini Optical - Blue Storable Wireless Mini-receiver Box Content - Logitech LX7 Cordless Optical Mouse, Wireless Mini-Receiver, USB extension stand, CD with Logitech SetPoint software, Installation Guide, USB-to-PS/2 adapter, Two AA batteries Wireless mini-receiver - Compact size eliminates clutter and works with notebooks or desktops, installs effortlessly Comfortable rubber grip - Soft-touch rubber sides and contoured shape Convenient Forward &amp; Back buttons speed web browsing and paging through large documents Side-to-side scrolling plus zoom - Tilt Wheel Plus Zoom is perfect for viewing digital photos and spreadsheets. Instantly zoom in and out, plus scroll horizontally or vertically