Product details: Laptop mouse plating center. Optical sensor with rsolution:1000dpi; Scroll wheel with page up and down; Key life over 3, 000, 000times; Ergonomic&comfortable design with good hand touch; Color printing;all colors available(optional); Compatible:windows7/95/98/se/nt/xp/2000; Size: 87*50*32mm; Interface: usb port; Zantek international limited is a private high-tech enterprise, which is specialized in computer peripheral product industry, located in shenzhen of china. It was founded with the mission of providing our customers with quality products, professional service, and informative product information. Mouse Keyboard Headset Tablet pc Speaker Card reader USB HUB Bluetooth dongle Webcam. 100pcs/carton, gw:23kg.