SHENZHEN YUSHENGCHANG TECHNOLOGY CO.,LTD
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Does GPS Watch need a phone line?No. GPS Watch works as a mobile phone, completely independent of the telephone line. There is no need to carry a mobile phone.it's more than a phone.How does the SOS function work?If necessary, the user presses the side button of the GPS for 3seconds. GPS sets up a h
25
2019-10
Why gps tracker need sim card?--GPS device is Feature phone system , just without the keyboard . It's available for international real time and real Googlemap tracking if the sim is available for international roaming. GPS work with smart phone app is phone to phone.
31
2019-05
GPS Bracelet with heart rate and SOS GPS Bracelet with heart rate and SOS GPS Bracelet with heart rate and SOS
31
2019-05
GPS Bracelet with heart rate and SOS GPS Bracelet with heart rate and SOS GPS Bracelet with heart rate and SOS
31
2019-05
Branded app for Oversea clients Branded app for Oversea clients Branded app for Oversea clients
31
2019-05
GPS Bracelet with heart rate and SOS GPS Bracelet with heart rate and SOS GPS Bracelet with heart rate and SOS
