Feature: 1. Activity Tracking: The app offers dozens of sports modes for indoor and outdoor activities. Simply wear the ring while exercising to view and record your activity data, including steps, distance, calories, pace, and more. Track your route on the map and detailed activity data to understand your past exercise details and push your activity limits. 2. Rich Sleep Analysis: Data on sleep efficiency, sleep latency, and sleep timing will help you better understand your sleep status and improve sleep quality. 3. Compatibility: The data from the smart ring health tracker can be easily viewed through the mobile app without any subscription fees. Supports for Android 5.0 and for iOS 12.0 and above systems. 4. IP68 Waterproof Design: With an impressive IP68 water resistance rating, this smart ring can accompany you in daily activities like handwashing and swimming without worrying about water damage. 5. Ti Alloy Material: The smart ring is made of lightweight, skin friendly, high strength ti alloy, providing a comfortable and seamless wearing experience. Ensures fine workmanship and durability. Specification: Item Type: Smart Ring Health Tracker Material: Ti Alloy Weight: Approx. 102g / 3.6oz Ring Battery Type: Lithium Battery Ring Battery Capacity: 20mAh (Shipped with) Battery Life: 4-6 Days Charging Time: 60 Minutes APP: for Daring. Package List: 1 x Smart Ring Health Tracker 1 x Instruction Manual 1 x Charging Cable 1 x Base