Unused, stored item Box is damaged This environmentally friendly USB numeric keypad complies with the EU RoHS Directive (Restriction of Hazardous Substances in electrical and electronic equipment) (10 substances). It is designed with the environment in mind, using a simple package to reduce waste and make unpacking easier. Certified for Windows logo. This product is USB-IF certified. This product conforms to CE standards. VCCI CLASS B certified, designed to minimize radio interference. A standard type, ideal for use with laptops. Equipped with a [Tab] key, convenient for Excel work, and a [00] key, convenient for entering numbers. Supported OS: Windows 10, Windows 8.1, Windows Vista, Windows XP