TOLASI Waterproof IP67 M2 Bracelet Watch Fitness Heart Rate Monitor Blood Pressure Pedometer Bluetooth 4.0 Smart Wristband. OLED screen. You can check anything. You can check the date via vertical layout or horizontal layout for your choose. Built-in 65mAh battery, normal use time about 10 days or so. Call & SMS & social message alert: Message smart remind, remind you anytime, anywhere. Real-time heart rate monitoring: With a built-in motion sensor, real-time measurement of heart rate to adjust the intensity of exercise. Tracking daily activities data: Record steps, distance, calories, activities time. Check daily activities data anytime. USB charge: No need data cable anymore, convenient, Bluetooth 4.0, Support IOS 7.1 Android4.4 & Above system equipment. More functions: Remote camera, Connect Apple Health Kit / Google Fit, Share health data, Anti-lost, Sports target reminder, Find phone, Auto tracking sleep& alarm clock, Sendentary alert. Language support: its APP application supports English.