1>Capacities: 2G , 4G, 6G, 8G 2>Interface Type: USB 2.0 3>Hot plug-and-play 4>Shock-proof ... 100pcs Metal ball pen with USBtype:metal USB ballpenCapacities: 2G ,4G, 6G, 8GInterface Type: USB 2.0Raw material: metalHot plug-and-playShockproof and ... — Just plug into a USB portPractical — Durable, capless designSupport boot up by USB-HDD or USB -ZIP modeInterface - USB 2.0Packaging: blister package, gift ...