... .3.Assembly Technology&MaterialBack Housing: Aluminum metalColor: silver ,black with carbon4.Payment terms (TT,Western Union,MoneyGram)TT : bank ... scratch,color is goodTest the function one by one with machine,100% working wellCheck again the apprearance again before the packaging8 ... the products you returned to us are all ours and brand new,not used.About the returned products shipping cost.We ...