Homego Bluetooth Wrist Smart Watch screen protector, for Mate Handsfree Call watch phone U8 U10 Smartphones (watch screen protector) It's fit well for U8/U8 Waterproof /U10 smart watch Automatic bonding:High quality antistatic adsorption film ,make the product bonding and separation simple,easy to operate. it will automatically bond the screen. High Hardness:Glass material after high tempered steel processing,surface hardness up to 8-9 h,impact resistance is strong,not easy scratches. High sensitivity:The glass is coated on the back with a strong silicon adhesive that makes installation easy and attaches the film firmly so as to not affect the touch screen's sensitivity.