Watches smart watch sos tracker kids smart watch gps wifi phone watch smart watches gold
Watches smart watch sos tracker kids smart watch gps wifi phone watch smart watches gold
Watches smart watch sos tracker kids smart watch gps wifi phone watch smart watches gold
Watches smart watch sos tracker kids smart watch gps wifi phone watch smart watches gold
Watches smart watch sos tracker kids smart watch gps wifi phone watch smart watches gold
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Watches smart watch sos tracker kids smart watch gps wifi phone watch smart watches gold

Regular price £66.63 Sale price £76.63 Unit price per
Shipping calculated at checkout.
Caution:
color: we ship according to the color of the first picture,
in the package: if the quantity is not stated in the description, we will ship the item according to the quantity and model number in the title.

Smart watch sos tracker kids smart watch gps wifi phone watch baby smart watch anti lost children smartwatch clock| smart watches gold
about configure:
most sim can works in this watch directly, but some sim need configure apn this kind of watch from other seller also need , only need to send a sms text message code to the watch.
About sim required:
this gps watch need sim inside to work.
This gps watch works with 2g gsm system sim; Most of 3g wcdma sim or 4g fdd-lte sim is compatible with 2g service, can be used in this gps watch.
But you should caution that:
1, some 3g/4g sim may be not compatible with 2g service or had cut 2g service, if you not sure, please contact the your local carriers to understand.
2, Some sim carriers is planning to cut 2g service for example: singtel,starhub,m1 in singapore plan to cut 2g service in 2017-4 , that means, the watch can work now, but after the carrier cut the 2g service, the watch can not work with this sim. It is important, you should consider that before you buy it.
About pin code of sim
this watch do not support sim with pin code it will give out a error, and not easy to deal with this error. Can not switch off or do anything else until remove the battery or wait the battery be used up .
If the sim which is going to be used in this watch, you must cancel the pin code first.
Positioning principle:
the gps tracker smart watch is located by gps or lbs. The positioning data will be transfered to the gps server by mobile data or be called mobile network . Then gps server will transfer the data to the smart watch's app which was bound by the id.
1, When the watch is in the room, gps positioning method is unable to used. At this moment the positioning mode is lbs. Lbs's positioning accuracy depends on the the lbs service of sim card operators. Such as the quantity of base station. Gps positioning method can be used outdoor.
2, Sim card's network frequency must be 850/900/1800/1900mhz. 3G/4g network can not be used
.
Brief usage:
1, purchase sim card, establish voice and data service.
2, Download and install the app on your smart phone. Landing app on phone by the id of smart watch. And use it. The detail please read the user's manual in the product box.
Color:gold