machine double card obtain Ministry of Economic Affairs
bureau patent in 2002 ( New-typed No.
(TWIN SIM CARD)
TWIN CARD is that one cellular phone can take two
sim card system and not need open case to
install it very easy. any user will be completed
it in one minute. It's very important that our
keep the original size, fashion.
(EASY TO INSTALL)
NEED OPEN CASE CHANGE SIM CARD