OTG USB Material:Aluminium alloy+ABS Capacity avaliable:128mb/256mb/512mb/1gb/2gb/4gb/8gb/16gb/32b/64gb Chip brand: samsung or toshiba Chip wafer: MLC Operation system: compatible with all regular system Size:72*18*8mm MOQ:100PCS Color:optional Package: blister package, tin box,opp bag, gift box Sent E-mailINQUIRY BASIC INFO OTG USB Previous : Crystal Pen USB Next: Metal Key USB RELATED LED usb drive Credit Card USB swivel usb drive Wooden swivel usb flash Crystal Pen USB