It is Real 4GB,we don't make upgrade memory flash,we never make fake pendrive.

Fake and upgrade pendrive will give you a high risk to lose all your important files which saved in it.

Pls download the USB flash test software from here:

https://drive.google.com/file/d/0B9j4V_rXDCMoYU4wOXlRbGZPNnM/view?usp=sharing

Warranty time: 2 years

Packing:PP bag(If you want other packings,pls contact us)

Notes:

1.About logo printing.

This pendrive is very good to print your logo,pls send your logo to us for making preview,it is free if qty is more than 50pcs.

2.About unit packing.

This pendrive unit packing is Ploybag.If you want other packings,pls contact us before shipping.(Price will be different between different packings)

3.About price.

If order more than 100pcs.pls ask for discount before the payment.

4.About Delivery.

If qty is less than 20pcs,we will send the goods by China post,if more than 20,we will send it by DHL.

Welcome to contact us.

Skype: fiadis_candy

Email: sales.fiadis@gmail.com