About this item 1.47" HD Display 2*16mm Straps: The fitness tracker with 1.47" HD color screen is light and comfortable to wear. There are hundreds of watch faces with various styles to choose from in the GloryFit app or you can also customize the dial. It includes 2 bands with adjustable size from S to L: one soft silicone strap and one fashionable stainless steel strap. You can find your own style by matching different watch bands and dials. Health Monitoring: The fitness watch helps you monitor blood pressure, blood oxygen, sleep and 24/7 heart rate to achieve a healthier goal. You can also set the menstrual reminders in the app and the tracker will show the physiological state that day. NOTE: All measurements are for reference only, not for medical uses. The watch is IP67 water resistant and you can wear it when washing hands or in the rain. Smart Notifications 20 Sports Modes: The fitness tracker for smartphones can display notifications of incoming calls, SMS, app messages like WhatsApp, Facebook, Twitter, etc. Note: It can not reply messages or answer calls. The watch supports variety of sport modes such as outdoor/indoor running, ball training, cycling, alpinism, skipping, etc. It will track your daily distance, steps and calories. This watch can meet the different needs of man, women for sports scenes and comfort of wearing. Multiple Practical Functions: The fitness tracker is equipped with multiple functions like weather forecast, timer and stopwatch, music control, breath training, physiological cycle, speedometer and etc. You can set alarm clock and sedentary reminder in the app. It will help you develop the good habit of work and rest. Compatibility Battery Life: The smart watch is compatible with iOS 11.0 or above and Android 5.0 or above smart phones, not with PC, tablets and laptop. It's easy to charge it with magetic charging cable. The 1.5h charging time can support up to 7-10 days and standby for 20-30 days. speedometers