I have buyed this pendrive from snapdeal ant its going to be 3 year and the sandisk pen drive which is of 16 gb is still working . It is the most trusted brand in the field of pen drives.
It has tremendous speed while transfering the data from computer.As my pendrive is of 3.0, so by this it can give approx 23 to 25 mb speed per second .
Now lets discuss about its price, if you buy 16 gb pen drive its cost will be approx 320rs. Which is most reasonable price as we see its performance. Now I am going to buy sandisk pen drive which is of 32 gb and you can also connect to the mobile which support OTG. Its cost is about 660 rs.
so with any confusion go to buy sandisk pen drive.