Key features Stylish & slim wireless optical mouse with Bluetooth 2.1 technology No receiver needed when using a notebook with built-in Bluetooth functionality Advanced wireless Bluetooth Class 2 technology: reliable & safe operation with a range up to 10 meters Ultra slim design that fits in your pocket & takes up limited space in your notebook bag Battery saving design with extra power switch for a battery life of more than 9 months Package contents Bluetooth optical mouse 1x AA battery User’s guide System requirements Notebook or PC with Bluetooth technology Windows 7, Vista or XP