1) Two number in one card 2) Two number auto-switches on line, two numbers can be set separately one minute to ninety-nine minutes) a) SIM1: set 1-99min b) SIM2: Set 1-99min (the auto switch time of two numbers can be set separately, the time can be set one minute to ninety-nine minutes) 3) Initiate show number on screen function 4) Language (Chinese /English), customer OEM local language available in large orders 5) Direct switch numbers without re power on/off 6) The record of calling memory function 7) Support special 3F cards and 3B cards 8) The most highly applicability of the mobile (solve the problems of the new style NOKIA mobile phone which can't be used) 9) Use the import America IC 10) Quality control by Japan standard 11) Meticulous design Taiwan