1、MULTIPLE DATA: APP provides dozens of sports, indoor, outdoor and so on, wear the ring to exercise easily, you can view and record your sports data, including steps, distance, calories, pace and so on. With path tracking and detailed movement data, you can gain insight into the details of your past movements. 2、COMFORTABLE TO WEAR: Comfortable wearing experience and extremely light weight make it stand out from other smart wearable products, getting accurate health information in a relaxed and pleasant way. 3、SLEEP ANALYSIS: The smart ring will detect health parameters during sleep, you can adjust your sleep habits based on the analysis of 3 sleep stages: deep sleep, light sleep, REM stage, and sleep quality score. 4、SIMPLE AND FASHIONABLE: The shape is minimalist, beyond the traditional wearable products of the cumbersome, both fashion and elegance. Data can be easily viewed through the mobile app, support for Android 5.0 and for iOS 10.0 and above. 5、ALLOY MATERIAL: The smart ring is made of lightweight, skin friendly, high strength alloy, which provides a comfortable wearing experience and ensures excellent workmanship and durability. Item Type: Smart Ring Product Material: Alloy, Electronic Components Ring Battery: 18mAh Lithium Battery (Shipped with Built in Battery) Ring Battery Life: 5‑7 Days Ring Charging Time: 45 Minutes Color: Gold 1 x Ring 1 x Instruction Manual 1 x Charging Cable 1 x Charging Base