This is a set of a fisheye lens and a magnetic case for iPhone 4/4S, available in different colors. The magnetic case protect the device against any shock and also allow to fix directly the lens on the case.
A flat metal ring is integrate in the case, then you simply snap a lens on the case when needed. In the Blister you will find a Magnetic / Detachable Lens, the lens cover, two detachable Magnetic Rings ( 3M adhesive), a key holder and the magnetic case.
Only for iPhone.