New Sapphire Smart Watch 650nm Dual probe laser health conditioning Blood oxygen Pressure micro physical examination Smartwatch

I have been searching for a smartwatch for my father that can connect to an android phone, and now i have finally found this one. Based on the comments, i decided to give it a try and he really likes it. The effect is very good, the interface is simple, and it can be easily applied on mobile phones to customize watches. Very suitable for beginners and easy to teach to others. Its price is unparalleled and it is one of the few fitness tracking watches that does not require company app subscription services. I would recommend it to those looking for easy-to-use products with no additional conditions. I don't know how it works in water, but the purpose of purchase is for daily leisure use. Although the application provides additional customized services, there are also free services available. You just need to observe and choose carefully.

This watch has three extra straps. 1 leather, 1 steel, and 1 silicon. The package will arrive in 10 days. This seems to be the standard arrival time, as i have purchased many products from alibaba express through different sellers. The watch works according to the instructions. The battery life is about 7 days and everything is normal. The measurement results are very accurate. Because i have an appointment with a doctor, i can compare the results with the clinic. In summary, this is a very good surveillance watch. The only thing i can add is that it includes an electrocardiogram band, perhaps for more accurate cardiac monitoring. Considering the functionality of this watch, it provides enormous value. Excellent sellers will recommend watches and sellers.