3 slot design: Sim / SD, / micro SD, T-flash,, does not require any adapter sleeve, in ... . Fashionable, rotating USB cover;3.3 slot design: Sim / SD, / micro SD, T-flash,, does not require any adapter sleeve, in ... only has the general reader direct reading SD / MMC / micro SD, T-flash/RS-MMC card functions, features can also directly read the ...