Ccaravan Tempered Glass Screen Protector W Smart [Return Key] & [Confirm Key] 9H Anti-fingerprint (For Apple iPhone 6&6S) Built-in circuit layer to normal glass screen protector. It help you to control the Return Button by just pressing lower left corner of the screen No need App, no need Power, no need additional setting. Easy to operation. Return easily with a invisible button. Totally transparent. Many Customers comment: Operating iPhone 6 by single hand, Touching sensitive is not that as well as original touch. Need slight more press to operate it and pressing time a little longer. 9H hardness to resist scratch from knives and keys. Reducing most fingerprints and smudges, easy to keep your screen clean. Special NOTE: Due to the rounded edge of iPhone 6 plus/6s plus screen, the glass protector will not cover the entire screen