Microsoft Wireless Mobile Mouse 1850 Orchid The Wireless Mobile Mouse 1850 is designed for life on the go, offering wireless freedom and built-in transceiver storage for ultimate mobility. Comfortable to use with either hand and a scroll wheel for easy navigation makes this mouse the ideal device for your modern, mobile lifestyle. Features: - LED optical technology - X-Y resolution dynamically adaptable to 3000 frames per second - Tracking Speed of 1000 points per inch - Acceleration of up to 20 inches per second - 2.4 GHz frequency range Power Requirements: 1 x AA Batteries included Up to 6 months battery life Operating Systems: Windows 10 Windows 8.1 Windows 8 Windows RT 8.1 Windows RT 8 Windows 7 Windows Phone 10 Macintosh Mac OS X v10.7.x to v10.10 Android 3.2 to 5.0 What's in the box 1x Microsoft Mobile Mouse & Battery