🌷【Smart Sleep Tracking】PAERDUO Smart Ring functions as a powerful smart ring sleep tracker, offering detailed insights into deep sleep, light sleep, REM, and awake phases. It also monitors your average nightly heart rate. Ideal for both smart rings for men and smart ring for women, helping you rest better and recover smarter. 🌷【Multiple Sport Modes】 Supports 19 daily exercises and 5 GPS-enabled sports. Track your steps, distance, duration, and calorie burn, with weekly trends and personal goals. A perfect smart ring activity tracker and fitness smart ring for your everyday fitness needs. 🌷【Heart Rate & Stress Monitoring】With 24/7 heart rate, HRV, and stress tracking, this smart ring health tracker and stress tracker ring keeps you connected to your body’s signals. Use the meditation mode to breathe deeply and restore balance anytime. 🌷【Women's Health Tracking】The smart ring for women includes a built-in menstrual cycle tracker ring, logging period start/end dates, cycle length, and reminders. Stay informed and in control of your cycle effortlessly. 🌷【Guided Meditation Feature】With built-in breathing and meditation smart ring modes, PAERDUO helps you relieve stress and regain calm. Perfect as a daily mindfulness ring companion for busy lifestyles. 🌷【No Subscription Fees】Enjoy full access to all features with no hidden costs or monthly subscription fees. The smart ring app is completely free—track your health, sleep, fitness, and more without worrying about ongoing charges. smart ring, smart ring for women, smart ring for men, fitness tracker ring, health tracking ring, sleep tracker ring, heart rate monitor ring, activity tracker, menstrual cycle reminder, IP68 waterproof smart ring, 7-day battery smart ring, smart ring no subscription, lightweight smart ring, stylish smart ring, smart ring health tracker, smart wearable, smart ring for iPhone and Android