f22 smart bracelet 1.4inch ip67 waterproof watch fitness tracker heart rate blood pressure wristband men women smartwatch for ios android

time display, step counting, calories, distance, sport mode, raise your hand to brighten the screen, sleep monitoring, running track, incoming call, message notification, sedentary reminder, alarm reminder, shake to take pictures, find bracelet, dial switch, the weather, dial chinese and english, hourly measurement, wechat campaign, heart rate, blood pressure, blood oxygen, apple health, health weekly