Cross-border S8 Smart 4G Elderly GPS Positioning Watch SOS Call Heart Rate Blood Pressure Health Bracelet S16

Product Features: Supports multiple positioning systems including GPS, LBS, and WIFI. Waterproof rating: IP67 waterproof Battery capacity: 850mAH Standby time: 7-9 days Call time: 6-7 hours Supported networks: GSM: B2 B3 B5 B8 TDD-LTE: B1 B3 B5 B8 FDD-LTE：B38 B39 B40 B41 Information: 15 phonebook whitelists, the saved phone numbers can be used to make calls to the watch Micro-chat function: Two-way voice group micro-chat function The watch supports pedometer, sleep tracking, sedentary reminder, and health management. Supports track positioning, supports electronic fencing, supports SOS one-touch emergency call, and sends information to the platform management system (with a pop-up notification box), while automatically calling emergency contacts. Supports heart rate measurement, blood pressure, and body temperature measurement