SIM+ bluetooth SIM card reader is specially designed for iPhone users. Its size is similar to a credit card with a processor integrated circuit. It can be inserted in the wallet card slot. It breaks the single using mode of one SIM card only within the iPhone and provides the mode of dual SIM standby, which can equip the phone with anti-steal functions. It is easy and simple to handle so that users only have to open the mobile app and match the bluetooth wireless signal with the mobile phone to read the information from the SIM card in order to be able to make calls and text messages through data traffic. The product can be used for a month on one charge.