Come and see our amazing products. The USB Flash disk is adopts USB2.0 interface. The maximum reading speed is 18MB/s.And the maximum writing speed is 6MB/s. The weight only 15g. It will gives you a different extreme speed experience. It have enough memory to keep thousands music. The quality is good to protacted files. And easy to transfer date between disk and computer. The outer shell and customize the brand to let your customers fully diaplay in the process ues. The price includes the shipping cost to CA Pls confirm with us about the packing info, stock color and exact production time before placing your order