Thank you for viewing. This is a Fancl novelty item. I opened it, but I haven't used it. - Two lenses: macro and wide-angle - Includes a cover cap - Use by clipping the clip onto your smartphone You can see the details via the QR code in the instruction manual. Convenient for carrying around. There are no smokers or pets in the house. Please consider purchasing if you understand that this item has been stored at home.