High  precision
Positioning: GPS+Beidou+LBS+Wifi+G-Sensor+AGPS+BLE Seven-fold positioning

Long standby: Delicate appearance 650 mAh large battery+optimized power saving algorithm

BLE 4.0 Support: Bluetooth positioning Bluetooth notification Bluetooth external blood pressure meter blood glucose meter

IP66 waterproof

Comprehensive health protection: Heart rate/blood pressure/step/blood oxygen/sleep monitor/body temperature

SOS one-button Call/ two-way call/fall alarm/step meter/micro chat/Geo-fence/air-upgrade, monitoring and recording