Smart Ring Health Tracker for Men/Women,Fitness Ring Sleep Tracker,Fast Charging for Long-Lasting Use,for Pedometer Exercise,Monitor Sleep, Heart Rate, Stress,Waterproof

Operating system Android 5.1 and iOS 8.0 Memory storage capacity 64.49 MB Special features Water Proof, Activity Tracker, Camera Battery capacity 15 Milliamp Hours Connectivity technology Bluetooth • This smart rings detects your heart rate, oxygen saturation, and stress throughout the day, as well as steps, distance, and calorie counting of your daily activities, and also features sleep tracking and multi-sport modes, which provide you with valuable information about your health. • STYLISH, DURABLE AND WATERPROOF DESIGN: Made of high quality and lightweight aluminum alloy with frosted surface design, durable and comfortable to wear. Textured appearance design, classic and fashionable for all occasions. Waterproof design makes the health ring unaffected in daily use. • After turning on the remote photo function in APP, you can take photos remotely by gently shaking the finger wearing the ring, which is convenient and fast.