новый водонепроницаемый смарт-браслет bluetooth xwatch с 1-летним батареей в режиме ожидания, умные спортивные часы, мобильный телефон для a

super long and durable, no need to charge regularly! usually it can be used for 8 months, 12 months in power saving mode, you don't need to charge every day advanced waterproof standard ip67, suitable for bathing in cold water (not supporting hot water), swimming, diving, etc 24-hour exercise monitor: steps, walking distance, calorie consumption, these three kinds of data can clearly check and control the bluetooth function: can be paired with your mobile phone, perfect cooperation. 10 meter b