Features 1. Design: Crafted from aluminum alloy and ceramics, this ring boasts a sturdy, durable, and elegant appearance. Its IPX8 waterproof rating allows for depths up to 100 meters, making it suitable for swimming, surfing, sailing, and deep-sea diving. 2. Portability: The ring's comfortable, fashionable, and lightweight design, combined with its ultra-light body, provides a comfortable wearing experience, enhancing flexibility during various sports and movements. 3. Multifunctionality: This smart ring offers multiple functions, including continuous monitoring of body temperature, sleep patterns, step count, heart rate, blood pressure, and blood oxygen levels, providing real-time health insights. 4. Smart Ring: The ring features a 23mAh capacitor and includes a charging compartment with a 400mAh capacity, ensuring extended use. Simply place the ring in the charging compartment for easy charging. It can also control your phone's camera function, allowing you to take photos with a simple shake. 5. Gift Idea: This ring makes a thoughtful gift for any occasion or holiday, such as birthdays, anniversaries, Thanksgiving, Christmas, Hanukkah, or Valentine's Day. Specification Material: ABS Product models: 16, 18, 20 Colors: Black, White Size: 9 x 9 x 4.8 cm Weight: 124 g Package Includes: 1x Smart Ring