CATALYST Apple Watch S8/S7 45mm Ultra Slim Waterproof Case

**※The functions of detecting blood oxygen concentration and heart rate can be used. The electrocardiogram function of the touch crown of the waterproof case cannot be used (because the crown of the Catalyst waterproof series is covered with a knob design), please be aware of it!** Won the CES Innovation Award, a rare APPLE WATCH S8/S7 45mm waterproof protective case in the industry, the appearance completely conforms to the APPLE WATCH S8/S7 45mm, light and no burden, breaking the traditional mute button up and down dial design, the new patented disc-shaped switching design, using The disc is rotated to switch the mute function, and the long-term mute function is improved, which leads to the rupture of the protective case and the danger of water ingress. Keep the screen without unnecessary coverings, maintain the original clarity and sensitivity of the screen Pass the IP68 waterproof test, the water depth can reach 100 meters (330 feet), and can be suitable for a variety of life waterproofing (washing, swimming, rain, water, etc...) __Please avoid hot water, bathing, water skiing, surfing (high water pressure)__ ●Waterproof to 330 feet (100 meters) ●Military grade MIL-SPEC 810G drop test ●Protect from drops up to 6.6 feet (2 meters) ●Have IP68 high-level waterproof ability test ●Smallest, thinnest and most protective ●Support wireless charging ●Can measure heart rate, blood oxygen Pre-purchase and use precautions: ※When receiving the product, please be sure to confirm whether the appearance of the product is good, the packaging is not damaged, and the product model and color are correct. If you have any questions, please contact customer service immediately. ※The product warranty period starts from the date of purchase, and the warranty period ends for one year. (No Extended Warranty Service) ※Be sure to read the instruction manual carefully before using the product, and keep the product outer box, warranty book, order or invoice certificate properly. ※Before you go into the water, be sure to do the waterproof test again to ensure that the waterproof case still retains the waterproof function. ※The main unit immersed in (into) water is not covered by the warranty, please be sure to install it and do a waterproof test. ※It is recommended to install with bare metal. It is not suitable for the whole machine wrap, the general sticker on the front and back, and the tempered glass film. If there is any sticker, please remove it. **For related installation videos, please go to YouTube and search for catalyst** Brand: Catalyst Size: about 8cm x 2.5cm x 17.3cm (including box) Weight: about 90g (including outer box) Applicable models: Apple Watch S8/S7 45mm dedicated Color: Black (with strap - black) Ambient temperature: 0°C～35°C Catalyst use ambient temperature (single shell without WATCH): -20°C～45°C Underwater operating depth: about 100m Package contents: protective case x1, Silicone strap x1, original manual x1, test dummy machine x1, instruction manual x1 Guarantee: American original factory authorized Taiwan original factory general agent company