Worldwide/adjustable and works with almost any smartphone camera on the market, simple and convenient to use, compatible with or without a phone protective case. Compatible with iPhone 7 when using a thin protective case. Can be used with iPhone 7 Plus as a camera mount only, without external lenses. Standard 37mm threaded lens/filter holder, compatible with a wide range of conversion lenses, filters, DOF adapters, and standard Cold Shoe mount for connecting LED lights, microphones, and other accessories. Five standard ¼ inch - 20 threaded mounts for attaching to photo/video support equipment such as tripods, slider stabilizers, and more.