ROCKSOUL MS-102WSBT White 2 Buttons 1 x Wheel Bluetooth Wireless Laser 1000 dpi Bluetooth Mouse (White) Maximum dpi: 1000 dpi Power Supply: 2 x AAA Batteries Distance: 32' Operating System Supported: Microsoft Windows 7, Windows Vista, Windows XP Professional or Windows XP Home Edition, MAC OSX 10.2.8