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產(chǎn)品詳情：
Smart Card (TM card, TM CARD, Touch Memory)
Type: i1990c
Dimension: diameter 16.25MM, high 5.9MM
Function: anti-water, anti-shake, anti-rust; the shell is made by 304 stainless steel, never rust; the chip is made by new wafer.i1990c TM CARD is my company R&D and production.It's may duplicate key,and it's a device that reads, writes, or erases data on a storage medium.