C80 IP67 Waterproof Smart Bracelet Sport Fitness Tracker 1. All-day activity tracking: can monitor your daily activities, such as steps, calories, distance and exercise duration. Maximize your workout efficiency with 247 heart rate tracking, understand resting heart rate trends, and better estimate calorie burn. Tune into your body with health metrics like respiratory rate, heart rate variability, and more (in-app only). 2. 1.1-inch display: Adopting AMOLED HD Touch color screen design and exquisite visual display, it provides you with a high-quality touch and visual experience, making all incoming call and text message reminders extremely clear and enjoying a wonderful view. 3. Multi-sport fitness mode: There are 25 sports modes to track the corresponding sports. You can choose more modes from the "Stay Healthy" app, such as walking, running, cycling, dancing, badminton, tennis, yoga, etc. . 4. Smart notifications: You can receive phone calls, text messages and SNS notifications on the wrist pedometer, including Facebook, WhatsApp, Instagram and Twitter. 5. Ultra-long battery life: It only takes 2 hours to charge, and you can enjoy up to 7 days of ultra-long battery life or 15 days of long-lasting standby. 6. Compatible with mobile phone systems: Android 5.0 and above and iOS 9.0 and above. 7. Supported languages: Chinese, English, French, Italian, Japanese, Spanish, Dutch, Russian.