1. The macro lens is 12X/24X 2-in-1 combined macro, with an effective focusing distance of 7-30mm, to shoot small items and fully display the details. 2. Full-surface coated optical glass, aluminum alloy lens material, plastic clip material, exquisite workmanship. 3. It can hold mobile phones with a thickness of 2-2.5cm. 4. It works on most types of cell phones.