BUTEFO Touch ID Button,(2 pack) Home Button Sticker (Support Fingerprint Indentification System Touch ID) for iPhone 5s iPhone 6/7/8 iPhone 6/7/8 plus (Gold ring black) 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 You will get: 2 Units Touch ID Button with same color (Color: Silver ring black) 4 colors for your choice, to change what you want! Helps protect the home button of Apple mobile devices from sweat, dust and spots, ensures that the recognition rate of fingerprint doesn&#039;t decrease after a long period of using. The metal ring is a significant component in the fingerprint indentification system that improves the correct rate of recognition.