Come and see our amazing products. It is designed with wheel structure, small size and light weight, and is suitable for almost all USB-powered devices. ideal for charging share of different devices with others when car driving, business trip, office working, travel, etc. Note that they can only be charged and cannot be transfer data. Choose and add your logo to create a branded giveaway. The price includes the shipping cost to ca. Qty for 5k pcs and over by ocean. Pls confirm with us about the packing info, stock color and exact production time before placing your order.