Perfect Compatible With- Apple product(iOS?7.1)??such as iPhone 7/SE??6S/6 plus/iPhone 6/5S??5C??5/4S?? iPad 3??4??Air??Air2?? iPad Mini??Mini2??Mini3?? iPad Touch 5/6</br>Network Require- for your iphone(with sim card):GPRS?? 3G?? 4G?? GSM will be Ok; But for the other sim card(you gonna insert to the iDualSim) must be GSM network.We are sorry to tell you that we do not support Sprint?? Verizon</br>Operating App-''Morecardpro'' on the iphone app store.(Which is upgraded version in order to get the goal of 100% incoming call?? won't miss the CALL and SMS??</br>About iDualSim- of course?? the more the merrier. But now one iDualSim can only connect with one APP on iPhone</br>It is designed to fit in your wallet?? front "or behind your phone easily</br></br>Product Description</br></br><br><b>Notice:</b></br> <br><b>The SIM card should support GSM network??or it will not be recognized by adapter</b> <br><b>Pls. delete your phone's bluetooth conection history before you connect the SIM adapter with APP</b> <br><b>Pls. feel free to contact us if you have any questions during your trying it</b> <br><b>We are sorry to tell you that we do not support Sprint?? Verizon</b> <br><b>iDuasim iphone Dual Sim Dual Standby</b></br> <br>Now you can have two phone number active at the same time</br> Simply put your other phone number into iDualSim and using Bluetooth connect to your phone. Both phone numbers can now be used on your one and only iphone</b> <br><b>Slim and Light</b></br> <br>iDualSim mini weights only 30g?? 6mm thickness</b> <br>It is designed to fit in your wallet?? front pocket?? Jeans pocket or behind your phone easily</b> <br><b>iPAD phone</b></br> <br>Download the "ardpro" Apps from apple store?? now your ipod or ipad can be used as a smart phone</b> <br><b>Long battery life</b></br> <br>iDualSim