Description The metal ring is a significant component in the fingerprint indentification system that improves the correct rate of recognition. It's better to stick this home button sticker after installing tempered glass, helps protect the home button of Apple mobile devices from sweat, dust and spots. Features - Color: White Color with Silver Edge- Material: Copper and polymer material- Size: 1.04 x 1.04 x 0.04 cm- Made from copper and polymer material, environmentally friendly and keeps the excellent touch feeling.- This home button sticker is perfect for fingerprint identification system and improve the correct rate of recognition.- Easy to use and the texture is in harmony with your apple devices.- Help you 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.Pcking list: 1 x Home Button Sticker