Uhippo Home Button Sticker(Support Fingerprint Indentification System)for iPhone 5s iPhone 6/6s iPhone 6/6s plus iPad Mini 3/4(Gold Ring Black Button) [Please purchase from Colour Talk for quality assurance] the metal ring is a significant component in the fingerprint indentification system that improves the correct rate of recognition. Helps protect the home button of Apple mobile devices from sweat,dust and spots,ensures that the recognition rate of fingerprint doesn't decrease after a long period of using made from nanometer environmentally friendly materials with surface baking varnish disposal and thickness of only 0.4mml keeps the excellent feel. with 3M glue on the back,easy to use and the texture is in harmony with your Apple devices. this product has been patent,please note fake copies