Smart Watches for Heart Rate Monitor, Activity Tracker, Silicon Belt Strap

1.match the IPH8.4 above and Android 4.4 above systems. 2. 1.3 inch full fit HD240*240 round screen, high-defination large screen, making the field of vision more natural, smoother touch, display details bright and vivid. Bring a clear visual experience n the wrist with light and soft strap,it can be easily controlled in any occasion. 3.Blood pressure and oxygen measurement any time and anywhere. 4. Accurate step counting visible in real time. 5. Sport data, free to view. 6. Girls cycle reminder. We provide reminders every weeks, safe period, preganacy period, menstrual period, ovulation period. 7.IPH67 waterproof.