是否智能( 可连接Bluetooth, Zigbee, NFC, Wi-Fi, LiFi, 3G等)
是
Position
GPS + BEIDOU + LBS + WIFI + G-SENSOR + AGPS
Frequency band
GSM 900/1800; 3G WCDMA 4G FDD
Button
One SOS key, one reset key (on the back)
Server data
Save data for past 30 days
SIM card
nano, compatible with e-sim
Functions
Steps Counting, GPS Positioning, 2-Way Call, SOS Alarm, etc.