Features: Compatible Models --- The case only compatible with Apple Watch Series 10 46mm. NOTE: Not suitable for other models and other types of smartwatch. Please confirm your watch size before placing an order. (Note: No Built-in Screen protector & Apple Watch is not included) Rapid Swap Ultra 2/1 --- No need to disassemble the case when charging, saving time and effort to change the appearance of the watch in seconds. allowing you to enjoy the Ultra 2/1 wearing experience, delivering a beautiful yet functional design and providing you personal experience.(Note: the Crown doesn't work for ECG) Premium Metal Case --- Made of high quality impact-resistant aluminum metal material. Brighten up your Apple Watch and ensure full protection without sacrificing beauty, and has long-lasting impact protection. Precise openings retain all buttons, sensors and charging functions. Overall Protection --- Raised edge design effectively prevents screen scratches for Apple Watch from scratches, bumps and accidental drops. Featuring an aluminum alloy metal frame, you'll feel sturdy from the inside out. (Note: Does not include built-in screen protector) What You Get --- 1 x Black Apple Watch Case 46mm. (Note: No Built-in Screen protector & Apple Watch is not included)