Features: Full protective cover-design keeps- the watch in a good condition- for a longer time-. for Smart design allows access to all controls-, sensors- and watch features. Easy-to install and remove. Slides easily into place. Different colors give your watch a new look. PC material, light and skin-friendly feel, smooth-touch, strong and oleophobic, and the color is new, anti-fall, comprehensive for protection, easy-fit, sensitive to for touch. Accurate coverage, sensitive for touch, four corner anti-drop, while protecting the screen. Dirt-resistant, washable, scratch-resistant, easy to clean, and charging is not -affected when the protective cases- is used. Using- high-hardness toughened glass, it is effectively scratch-resistant, wear-resistant, and anti-explosive for protection. The- for shell and membrane- are integrated, ultra-light and ultra-thin design, easy to fit. Slim- and light, it gives your watch a stylish- new look. The precise design allows you to easily use all functions without removing the for case. Specifications: Material: PC + Tempered-Film Diameter:4.85cm/1.9inch Color:Black/Pink/Transparent-/Blue/White/Green for Watch S1 Pro Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Protect Case+Tempered-Glass