We offer lifetime technical support for you,if you have any problem,feel free to contact with us via Amazon Support.</br>You can always come to us for free customer service at:</br><b>https://www.amazon.com/shops/PalmTalkHome</b></br></br> <b>Specifications</b></br> Product Name: smart watch Phone</br> Screen: 1.44‘’</br>Watch language: English</br> Material: plastic and silicone</br> Waterproof: YES</br> Resolution: 240*240</br>Time format:24 H</br> WiFi:No </br> Battery capacity: 400MA, Standby: 100H</br></br>📶SIM Card Recommend</br> We provide Smartwatch only but without SIM Card, please buy extra GSM network SIM Card.</br> This watch supported GSM network only, if you area are not good coverage or has stop 2G network service,please do not buy.</br> We're recommend to use Speedtalk mobile sim, you can via</br> www.amazon.com/dp/B01N9XPPGZ/ check the 2G coverage near your house through speedtalkmobile.com/coverage</br></br> <b>How to setup:</b></br> 1.Activate the watch sim card , be sure the sim is activated with Voice,Text and Data plan, no PIN code; </br> 2.Turn the watch off first then insert Nano sim to watch; (Please note the chip angle when inserting sim card)</br>3.Create an account in App "SeTracker",register choose "North America";</br> 4.Via your Phone SMS App(Not Setracke)send APN sms to watch SIM card number.</br>First APN SMS</br> For Regular Speedtalk : </br>apn,wholesale,,,310260#</br>For Speedtalk IOT:</br>apn,mobilenet,,,310260#</br>Second reboot SMS</br>pw,123456,reset#</br> 5.Test APP </br></br><b>Note</b></br>This watch support GPS tracking feature,Support LBS Position Tracker</br>- The call function of the is only activated after a Nano SIM card is inserted.Please ensure local area network is compatible with 2G Network. </br></br>IP67 Waterproof Support use under the water depth less than 1m in 0.5h. support swim, pool</br>(Can't be used in hot water, hot water bath or sauna, can't use button in water)