Our factory have an new design, Wonderful Multi-functional USB device integrates with Memory Card Reader, Date cable, Flash drive, Charger, Flashlight functions in one. >>Storage up to 4GB >>Dual intellect Hi-speed charging mode >>Support USB2.0 & 1.0/1.1 version >>Automatic setup and no driver is needed >>Built-in rechargeable battery Our price between $7.85-$27.85 from 512MB to 4gb, diffirent QTY will have diffirent price in the say qaulity, any QTY will be ok to sell. And we sell univer charger as well, the unit price is about $0.98/pc. If you have any interest, please contact us for our further discussion. www cysmgroup com ). Or contact Sky (sale_s&cysmgroup com).