Feature: 1. Intelligent Activity Analysis: The smart sports ring can be worn close to the body, recording each step of every workout. It can detect activity status in daily scenarios, calculating calorie consumption and mileage to maximize the effectiveness of exercise. 2. Magnetic Quick Charging: The smart ring features strong magnetic properties for stable and efficient charging. The charging interface is reinforced with premium assembly, enhancing durability and maintenance. 3. Water Resistant: The smart ring utilizes a fully enclosed bonding process, achieving an IP67 water resistant rating. It can be worn in various daily water related scenarios such as handwashing, bathing, and swimming, effortlessly meeting all waterproofing needs. 4. Low Power Consumption Standby: The energy saving technology of the smart sports ring ensures continuous monitoring for 2‑3 days on a single charge without interruption. The ring is compatible with the Application and for Android 5.0 and above and for iOS 10.0 and above, allowing you to conveniently view data at any time. 5. Lightweight and Comfortable: The IP67 water resistant ring has a thickness of 2.5mm, made of stainless steel for durability. Weighing approximately 5 grams, it is a great connection of minimalistic design and reliability, providing a lightweight and comfortable wearing experience. Specification: Item Type: Smart Ring Material: Zinc alloy, resin Support: For Android 5.0 and above, for IOS 10.0 and above BT: BLE5.0 Water resistant Level: IP67 Standby Time: 2-3 days Charging Method: Magnetic charging Application: Da Rings BT Distance: 3-5 meters Battery Capacity: 20mAh, lithium battery (shipped with built in battery). Package List: 1 x Smart Ring1 x User Manual1 x Charging Cable