1>Capacities: 2G , 4G, 6G, 8G 2>Interface Type: USB 2.0 3>Hot plug-and-play 4>Shock- ... moisture-proof 5>MOQ:100pcs Metal ball pen with USBtype:metal USB ballpenCapacities: 2G ,4G, 6G, 8GInterface Type: USB 2.0Raw material: metalHot ... USB -ZIP modeInterface - USB 2.0Packaging: blister package, gift box/metal box package or packaging as customers' request.Guaranteed: one year ...