Feature:1. Versatile Fitness Tracking: Supports multiple sports modes and map tracking for activities like walking, running, cycling, etc. After exercise, check the mobile APP to view time, distance, calories, and analyze health and fitness data for 24 hour monitoring, providing insights into your overall well being.2. Gesture Controlled Photography: Catch photos with a simple hand gesture, enabling remote control photography with just a fingertip touch, allowing you to effortlessly become your own professional photographer.3. Water Resistant Design: Featuring a full enclosed structure and 5ATM level deep water resistant technology, this smart fitness ring is suitable for swimming, diving, or snorkeling, with support for up to 50 meters water resistance, meeting all your needs.4. Aluminum Alloy Construction: Crafted with high strength lightweight aluminum alloy, this smart ring fitness tracker offers a sturdy, comfortable, and virtually no weight wearing experience for your fingers.5. Long Battery Life: Equipped with a 20mAh lithium battery and a 200mAh charging case, this smart ring can standby for around 60 days on a full charge, greatly enhancing the ring's battery performance for prolonged usage.Specification:Item Type: Smart Fitness RingMaterial: Aluminum AlloyRing Battery Type: Lithium Battery, 20mAh (Shipped with Built in Battery)Charging Case Battery Type: Lithium Battery, 200mAh (Shipped with Built in Battery)Ring Battery Life: Approx. 7 DaysRing Charging Time: Approx. 60 MinutesAPP: for jring.Package List:1 x Smart Ring1 x Charging Case1 x User Manual