Fitness Tracker, Color Screen Activity Tracker Watch with Blood Pressure Blood Oxygen, IP67 Waterproof Weather Display Smart Band with Heart Rate Sleep Monitor Calorie Counter for Men, Women and Kids This tracker requires iOS 9.0 and Android 4.4 or later, Bluetooth 4.0 (for smart phones only, not for PC, iPad or tablet) Features: Colorful Screen! Improve client experience - unlike usual bracelets with black and white screen, it increases the use experience. Wireless Data Synchronization - Wireless data syncs from the tracker to the phone. The tracker's time and date are automatically synchronized with your phone's time and date. Measure heart rate, blood oxygen, blood pressure - one can measure manually by bracelet or application. Turn on the monitor and record the blood pressure, blood oxygen content, and heart rate data. Track activities throughout the day - daily record steps, distance and calorie intake. Sleep Monitor and Alarm Clock - Automatically record sleep quality. Incoming call alert - When you turn on the call alert feature in your app, the wristband will vibrate your phone every time. Message Alert - Receive notifications from other apps (Facebook, WhatsApp, LinkedIn, Instagram and Twitter) on your tracker screen and the wristband will vibrate. Sedentary Reminder - Set in Dafit to remind you to start your active body through vibration. Waterproof grade - IP67 waterproof, sweat-proof, rainproof, do not exceed 1 meter in water depth( Only apply to cold water). Brand New - Never Used