Microsoft Bluetooth Notebook Mouse 5000
Overview:Enjoy wireless freedom with the Microsoft® Bluetooth® Notebook Mouse 5000 — no transceiver to connect or lose! Keep USB ports free for other devices. And, take it with you in a convenient carrying case (included).Features:   Exclusively for Bluetooth PCsTransceiver-free and confident wireless connection to your Bluetooth PC. Microsoft High Definition Laser TechnologyMore responsive, more precise, and smoother tracking (compared with standard laser products). Battery IndicatorBattery light indicates when your battery is running low; an on/off switch helps you conserve power.           ComfortErgonomist-approved ambidextrous design provides comfort in tight on-the-road situations. 4 ButtonsUse the Back button to easily navigate between folders and Web pages, or press the wheel for Auto-scroll.   Additional Features:Scroll WheelBattery Status LightBack ButtonSoft Grip AreasOn/Off Switch  System Requirements:Windows Vista®/Windows XP with Service Pack 2 (SP2)or Mac OS X v.10.2.6–10.4.X2 AAA Alkaline Batteries (included)