I am using this product since 1 year it is very easy to use just connect to USB drive and transfer your data easily and use it.this product is having more storage space to save your data and have fast usage to your data. It is very compact and it is easy to carry to where ever you want to use it. It is having an indication when connected to device and while transferring the data the indication rapidly blink and data is transferred in a few seconds.you should carefully input USB cable to both the hard disk and your computer properly for effective usage.