The Microsoft® Wireless Mobile Mouse 4000 fits life on the go. Home, gym, campus, office¡ªquick stop for e-mail and coffee. This sporty, stylish little mouse goes wherever you do. With revolutionary Microsoft BlueTrack™ Technology, you can work more places than ever before, including on granite countertops, carpets¡ªeven on a wood table or a rough, unfinished park bench.
• BlueTrack Technology - Works on virtually any surface including granite countertops, carpets, and wood tables
• Nano Transceiver - Leave plugged in when you¿re on the go, or stow in mouse
• 4-way scrolling and 4 customizable buttons - Additional advanced features with included software
• Includes video effectsUp to 10 months¿ battery life - Battery status indicator lets you know when your battery is running low