... brand new, high quality -Two-way high-speed 2.4G wireless mouse smooth and flexible-Works at distance of up to 10 ... test Package Contents1 x Wireless Mouse 1 x Receiver Specifications:Wireless carrier frequency: 2402MHz - 2480MHz 16 wireless working channels, automatic frequency ... : green, blue, gary,black,red available 10M 2.4G Wireless Optical USB Mouse for Laptop PC (Green, BLUE, gray available)