Children's GPS positioning mobile phone watch need to install a phone card
Rui feng children need Huizhi GPS locator phone card, in addition to location, can call.
Look at what you want to buy, and some need a phone card, and some have been burned directly without the card
It comes with a watch,Is an external card is inserted SIM card.The general is more than the card, do not have the card, personal feel or card is better, then do not want to use the card can also be used on the phone.Currently on the market positioning GPS watches are SIM card positioning, which is the positioning of GPRS, base station positioning.
