【500 mAh Built-in Battery: No need to worry about daily charging when traveling or commuting】The YUANRUIXIN Classic Apple Watch Charger has a 500 mAh capacity and can charge Apple Watch and Apple Watch Ultra. If your Apple Watch battery is low, you can charge it anytime, anywhere. Experience a stress-free journey without worrying about your Apple Watch's battery consumption. 【Portability, Compactness, and Wider Compatibility】As small as a car key, the size is only 8.3 x 4.9 x 1.7 cm and weighs only 75 g. Convenient to carry! Compatible with all Apple Watch Series 10/9/8/7/6/5/4/3/2 and SE and Ultra 1, Ultra 2 (38 mm/40 mm/41 mm/42 mm/45 mm/49 mm), convenient for travel, commuting, subways, and portable, compact and stylish. 【Enhanced Safety】This Apple Watch charger has obtained PSE certification and METI certificate. Multiple protection systems such as overcurrent, overvoltage, and overheat protection built into the charger can provide a safe charging environment for your Apple Watch. 【Dedicated Magnetic Induction Charger for Apple Watch】This Apple Watch charger uses an enhanced magnetic adsorption module. Simply bring the back of your Apple Watch into contact with the charger, and it will automatically attach and start charging quickly, preventing the Watch from falling off during charging. 【YUANRUIXIN After-Sales Service】If any failure occurs within the warranty period, please contact us. Please contact us through "Account Service" → "Order History" → "Seller" → "Ask a question". We offer a 30-day free return and refund, and a lifetime warranty. If you have any problems, please contact customer service. We are here for you. Latest Design 500 mAh Built-in Battery YUANRUIXIN Apple Watch Charger, compatible with all Apple Watch models, convenient to carry, WatchOS automatic compatibility Apple Watch 10/9/8/7/6/5/4/3/2/1/Ultra/SE/AirPods Pro all models compatible."