Come and see our amazing products. The USB drive is plug and play, no require for installing a driver. The metal cover protects your U disk from getting broken. The sample we provide is the model with 512MB memory, you can customize the storage size of U disk according to your needs. It is suitable for digital data storing, transferring and sharing in school, in family, to friends,to wedding, to clients, to machines. The price includes the shipping cost to ca, QTY for 10000pcs and over by ocean. Pls confirm with us about the packing info, stock color and exact production time before placing your order.