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 the home button of mobile devices sweat, and spots. Features - ColorGolden - Material: Copper and polymer material - Size: 1.04 x 1.04 x 0.04 cm - Made copper and polymer material, 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 devices. - Help you the home button of mobile devices sweat, and spots. - Ensures that the recognition rate of fingerprint doesn’t decrease after a long period of using. Package list: 1 x Home Button Sticker