A storage device that you don't need to physically plug into your PC/mobile device, you just keep it in your pocket or bag and you can access all your files right off the storage device.
They are available on amazon in:
32GB - $20.60
64GB - $23.39
128GB - $54.90
200GB - $74.99
256GB - $108.00
as of now these are the prices in USD.
