This is the worthless pendrive. It gives very low transfer speed of data. Functionality is disappointing. Also this many time does not connect to my pc. Over all it is very easy to use just connect to your pc port. But it some times does not connects to my pc. You can transfer any types of files like mp3, images, data files etc. It supports all operating system like microsoft, linux, mac etc. But here is very less storage means 4gb. About looking it look great. Service is not good. I will recommend you to buy sandisk instead of it.