The Only Smart Ring With No Subscription Fees! Upgrade your health with the cutting edge Combat Medic Pro™ Smart Ring Health Tracker. This innovative and durable smart band offers top-notch health monitoring for those who live life to the fullest. Features: Smart Sleep Analysis: Monitor sleep movement and patterns with real-time data on duration, deep sleep, light sleep, and awakenings for better sleep suggestions. 24/7 Heart Health Monitoring: Equipped with a high-precision heart rate sensor to monitor heart activity round the clock. Movement Data Monitoring: Track steps, distance, calorie consumption, and movement trends in real time. Professional Grade Sensors: Includes acceleration, optical heart rate, optical blood oxygen, and infrared sensors for accurate data. Free App: Access health tracker data on the free mobile app, compatible with Android 5.1 and iOS 8.0 and above. SIZING: WHAT'S INCLUDED: 1 x Combat Medic Pro™ Smart Ring 1 x Quick Start Guide 1 x Charging Cable