Product Name: Smart Watch 2020 Sports Fitness Waterproof Bluetooth Body Temperature Blood Pressure Heart Rate Measurement, Black, Pink, Black&Silver Model NO.: YT80 Feature: Bluetooth, Water Resistant, Pedometer Heart Rate Measurement Blood Pressure Material: Silicone Usage: Detection, Communication, Heart Rate Measurement Blood Pressure Measurement Display: LCD Specification: 1.3 inches screen Origin: China Product Description This is a smart watch that keeps you up, set reminders before bed or check the weather. Modern multi-functional design allows you to see from the gym to the office. Always show mode to view your statistics, daily sleep quality score, apps, notifications, heart rate measurement, music to surround your experienceSongcheng Fashion Smart Watch is compatible with Android iOS operating system. You can check your heart rate during exercise; check the rest, walking, breathing, exercise, and recovery rates throughout the day; or reread at any time.based on your heart rate test, sleep time and restlessness, the sleep score can help you better understand the quality of sleep every night. You can also track your time in shallow, deep and sleep stages and gain personal insightsIts design is waterproof (IP67 waterproof rating), so you don't have to worry (note: it cannot track your swimming data). Low-power design provides longer durability