Feature: 1. Motion Monitoring: Wearing this smart ring, you can record the number of steps for each exercise, and the exercise status can be monitored during the exercise of daily scenarios, so as to calculate the calorie consumption as well as mileage, and achieve a more effective exercise. 2. Fast Charging: Wearing this smart ring, you can record the number of steps for each exercise, and the exercise status can be monitored during the exercise of daily scenarios, so as to calculate the calorie consumption as well as mileage, and achieve a more effective exercise. 3. Water Resistance: The ring adopts a fully closed combination process to achieve IP67 water proof level, which can be worn freely in various daily water related scenes such as washing hands, bathing, swimming, etc., and can easily cope with various daily water proof needs. 4. Low Power Consumption: The health ring adopts energy saving technology, a charging can support continuous monitoring for 2‑3 days. Equipped with APP compatible with for Android 5.0 and above and for iOS 10.0 and above system, convenient for users to see the data at any time. 5. Comfortable: Designed with a thickness of 2.5mm, the ring is made of zinc alloy and weighs about 5 grams, achieving a great combination of minimum and durability and providing users with a comfortable experience for prolonged wear. Specification: Item Type: Smart Ring Material: Zinc alloy, resin Application Support: for Android 5.0 and above, for IOS10.0 and above BT: BLE5.0 Water Resistance Level: IP67 Standby Time: 2-3 days Charging Method: Magnetic charging APP: Da Rings BT Distance: Approx. 3-5m / 9.84-16.4ft Battery Capacity: 20mAh, lithium battery (built in). Package List: 1 x Ring 1 x User Manual 1 x Charging Cable