The Xiaomi Mi Band 3 Screen Protector is specifically designed using precise laser cutting technology to offer maximum screen coverage. Automatic bonding High quality antistatic adsorption film ,make the product bonding and separation simple,easy to operate. it will automatically bond the screen. 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 Ultra-high light transmittance: (transmittance of 98% or more) optical transmittance grade, ultra-low reflection, high Transparency. High Hardness Glass material after high tempered steel processing,surface hardness up to 8-9 h,impact resistance is strong,not easy scratches. Accessory only, devices in pictures are NOT included.