iSTYLE Color Screen Smart Watch for iOS and Android, Activity Fitness Tracker, Men Wristband, Heart Rate and Blood Pressure Monitoring, Multi-Function Step Counter from iSTYLE

[Fashionable and Unique Design] This Smart Watch adapts two material, metal case and steel, as its watchband. It has colorful high-definition screen and the dial plate of diversity of style . In addition, there are various cool watchbands to choose according to your dress collocation or working place. [Multi-function and Various Sport Mode] There are all kinds of functions to make your daily life much richer and safer, including monitoring of heart rate, sleeping, blood pressure and oxygen, rich sport modes, offline payment of Alipay and monitoring of weather, air pressure, altitude and ultraviolet light. Especially, sport modes involve walking, running, cycling, swimming, hiking, playing tennis, etc.. It can provide more professional and complete data in time. [Various Language Version and PPG Measuring Technique] Besides, this watch uses the PPG and HRV Measuring Technique to collect data of heart rate variation. You can monitoring your fitness at any time or any places. [Large Battery Capacity and Life] The battery capacity and voltage respectively 230MAH and 3.7V. You can constantly use it about 5 to 7 days, otherwise, the standby time can arrive to 20 days. In addition, 24-hours Constantly Monitoring and completing data of feedback in time are one of the biggest features, which can not only help you regulate the sport you do at present, but also scientifically manage your health. [Packing Listing and High Quality Service Warranty] Packing listing involves 1*Watch, 1*Watch Box, 1*User Manual and 1*Charging line. And we provide 12 months product warranty and 7 x 24 hours friendly customer service.