d20pro bluetooth смарт часы водонепроницаемые спортивные smartwatch монитор сердечного ритма артериального давления tracker фитнес часы для

usb quick removal direct charge brand new bracelet charging method, quick-release detachable wristband design, can be charged by plugging in the usb interface, eliminating the trouble of carrying a charging cable and charging stand. smart life assistant the watch can monitor the steps, calories, heart rate, distance, sleep quality, etc. of the day. at the same time, it can connected to a smart phone to view information, remotely take pictures, retrieve mobile phones and other thoughtful an...