판매 후 서비스
무료 예비 부품, 반환 및 교체, 수리, 다른
color
black,white,red,yellow,green,mixed and etc. custom colors
data retention
more than ten years
packing
bulk pack,metal tin box,paper box,blister paper card box and etc.
chipset
A class original chipset
Shipping
various potions for choose