Logitech T630 Bluetooth Wireless Optical Ultrathin Touch Mouse 910-003825 Maximum dpi: 1000 dpi Power Supply: Built-in rechargeable lithium polymer battery Operating Time: 10-day battery life maximum Distance: 32.81 ft. (10m) Operating System Supported: Windows 7, Windows 8, Windows 10 Mac OS X 10.6.8 or later Chrome OS System Requirement: USB port for recharging Internet connection for software download