Come and see our amazing products. All metal body design,pocket size.Large steel ring,lightweight, easy to carry.High quality chips & stylish design.Fully compatible,quick file transfer.High performance grade A chip,stable and efficient.Plug and Play,no external power supply required.Capacity:4G/8G/16G/32G/64G/128G/256G/512,this price is the price for the 4 G capacity.More than 5000 pcs is the price of sea transportation. Pls confirm further with us if any query about packing info, inventory status and time schedule.