Metal Key USB Material:Aluminium alloy 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:57.5*24*3mm MOQ:100PCS Color:optional Package: blister package, tin box,opp bag, gift box Sent E-mailINQUIRY BASIC INFO Metal Key USB Previous : OTG USB Next: keychain Usb Drive RELATED Round wooden usb drive keychain Usb Drive Bracelet silicon USB Silicon usb drive