Crystal Pen USB Material:ABS+metal+crystal 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:152*11mm MOQ:100PCS Color:optional Package: blister package, tin box,opp bag, gift box Sent E-mailINQUIRY BASIC INFO Crystal Pen USB Previous : Next: OTG USB RELATED Round wooden usb drive keychain Usb Drive Bracelet silicon USB Metal Key USB