10M 2.4G Wireless Optical USB Mouse for Laptop PC (Green, BLUE, gray ... wireless mouse smooth and flexible-Works at distance of up to 10 meters (33FT) -Precise Optical Technology, ... CE, FCC safety test Package Contents1 x Wireless Mouse 1 x Receiver Specifications:Wireless carrier frequency: 2402MHz ... ,black,red available 10M 2.4G Wireless Optical USB Mouse for Laptop PC (Green, BLUE, gray available)