Feature:1. ACCURATE STEP COUNTER: The smart ring offers accurate step counting, syncing in real time with your smartphone. This feature assists you in achieving your fitness goals effectively.2. SMART NFC FUNCTIONALITY: With a built in NFC chip, it allows quick access control with just a touch on a sensor. Say goodbye to searching for your keys or cards and enjoy convenient access.3. WATER RESISTING: Featuring 5ATM IP68 water resisting capabilities, the ring is safe to wear in the rain, while swimming, or during everyday activities like washing hands.4. MAGNETIC RECHARGEABLE: Equipped with a strong magnetic coil, the ring supports efficient magnetic recharging. Simply connect to the charger and enjoy a full charge in approximately one hour.5. LIGHTWEIGHT: Crafted from ceramic, the ring combines a stylish, glossy finish with robust durability. Its minimalist yet elegant design makes it suitable for any occasion, balancing style and toughness seamlessly.Specification:Item Type: Smart RingMaterial: CeramicsRing Battery Capacity: 20mAh, Li Battery (Built in).Package List:1 x Smart Ring1 x Instruction Manual1 x Charging CableNote:The size is measured manually and some error is allowed.