ONLY works for Nillkin Car Magnetic Wireless Charger.
Designed with liquid silicone skin for better look.
Built-in four magnets provide stronger magnetic hold compared with the old "U" shape metal plate or metal strips.
Does NOT work with matte cases, if use it on the case, make sure that the case is 3M adhensive-friendly.
Does NOT desgined to put on the phone with case, the back of phone or the back of phone case ONLY, do NOT put it between your phone and phone case.