קשר
3G/4G כרטיס ה-sim, 5G כרטיס ה-sim, 2G כרטיס ה-sim
מקום מוצא
Guangdong, China
Product name
cheap 4g sos adult gps smart watch for elderly
Targeting
GPS+Beidou+WIFI+LBS Multi modal positioning
GPS channel number
22 channels
Operating temperature
-20℃ ~ +70℃
Working Humidity
5% to 95% not solidified