MAGICSIM-13th Fast- switching dual sim card 1) Two number in one card 2) Exclusive origination of holding the original card STK function .( This function also can make the dual sim card become multi sim cards for use. ) 3) Two number auto switch on line. The auto switch time of two numbers can be set separately , SIM 1 from 1 minute to 99 minutes, SIM 2 from 1 minute to 99 minutes . 4) Initiate show number on screen function. 5) Language select(Chinese /English/Russian) Welcome the customer OEM local language which have large orders. 6) Freely switch number on line Without power on/off 7) The record of calling memory function. 8) Surpport V1 and V2 card ( desiged for Multi card ) 9) The most highly applicability of the mobile 10) Use the Import America IC. 11) Quality control by Japan standard. 12) Meticulous design from Taiwan. 13) Taiwan patent number M275641 M283446