CK0137R Features 5GHZ wireless mouse， perfect for anti-jamming Away from the 2.4G wireless and avoid the interference from the Bluetooth， Wi-Fi Supports 4D scroll wheel and optical buttons Adjustable 500DPI/1000DPI high precision optical engine No installation software or drivers required: plug and play  With this mouse， you can surf the internet conveniently Powered by 2 x AA alkaline batteries Compatible with desktop and laptop computer General Specs Brand Rapoo   Model 7100P Type Wireless mouse   Wireless Technology 5.8GHZ Optical Resolution 1000DPI Operating Distance Up to 10 m Buttons 7 Scrolling Wheel 1 Compatibility Laptops and desktop PCs System Required Windows 2000/XP/Vista/7， Mac OS， Linux