Features: 1) Two numbers in 1 card 2) Two-number auto switch on line function (you can set the waiting time freely) 3) Direct switch numbers in the mobile function menu 4) Supports all the mobile phones which have STK function 5) The record of calling memory function 6) Applies to the highly card with the mobile phone 7) IC from America 8) Quality control by Japan standard 9) Program design from Taiwan area 10) The patent number in Taiwan area is M275641 Magicsim - dual sim card: Magicsim card-two numbers auto-switch online, you can choose mobile, union GSM net card number, dialing out by one economic number and receiving by another free charge receiving number. Free charge receiving. Magicsim - dual sim card: If the union signal is not stable, you can switch to mobile card, vice versa, through the net supplementary to make the signal more stabile, the communication more safely, never offline. Magicsim - dual sim card: One mobile phone in your hand, two numbers available to be chosen, you can choose the local number wherever you are, needn\'\'t to pay wandering fee, can save you a great deal phone fee. Magicsim - dual sim card: Separate business call from personal call, let you have more personal space, more freedom, more privacy. Features: 1) Dual SIM card: economic, convenience, two SIM cards in one mobile, won\'\'t worry about changing cards frequently, easy to keep, local card match out-of-town card or different net, save phone charge 2) Dual SIM card: absolutely privacy, uses anonymous SIM card, dials out in hide, ensures your absolute privacy 3) Dual SIM card: freely communication, net system complementary principle, freely switch between different net system, stabilize the signal, ensures the communication, never missing any business chances 4) Dual SIM card: separate business call from personal call, using business card while working, using private card when off duty, ensure you have more private space and freedom 5) Dual SIM card: fashionable and novelty, absolutely privacy 6) Dual SIM card: don\'\'t worry about V1, V2 card, no matter what GSM you use