Vibeat O2ring Sport - Pulse Oximeter, Wearable Heart Rate Tracker for Cycling,Hiking,Yoga

Tracks heart rate and exercise to keep you informed during workouts and everyday life. The device and apps alert you when your heart rate is out of the set range! Detailed performance reports can be generated and data can be exported Can record every seconds, save 4 periods of 10 hours of data, automatically uploaded to the APP Waterproof and sweatproof material is designed to wear comfortably, suitable for sports fit to use. Long battery life, fully charged can be used 16h, to meet the needs of sports. ⚠️ IMPORTANT: This product is only for sports and fitness, aviation, daily home use.