celestaura Smart Ring - Heart Rate Sleep Waterproof 7Days Battery

Precision Health Monitoring: Smart ring is a fitness ring/anillo inteligente health ring/sleep tracker ring, smart ring health tracker is recording heart rate, steps, distance, calories monitoring, Using advanced Air Gestures technology, you can touch the surface of the ring, slide to control for Tik tok to turn pages up and down, take photos and videos remotely, play games, turn pages of e-books etc, enjoy a more convenient interactive experience