As a result, the flash drive cost $ 50 worked for 2 months without a significant load, very warm. When you copy on it a file of size 20Gb has stopped working. In this case, it is determined by the computer, blinks the led for 10 seconds and hangs. The examination found that the device has a structural defect. Overheats. The history of correspondence with the seller below. And the link to the video as it is not working. Do not buy anything from this seller. Save your money. My mail SergeevR@Gmail.com Me 15/07/19: Order time: 20/05/19 Mar. in the process of using the drive was heated quite strongly, although I did not record large amounts of data. ... What am I supposed to do with him? Is it possible to send for exchange under warranty? ... Ме 17/07/19: Email me in more detail, should I expect a letter from you? Or what should I do? ... Me 19/08/19:Email received, your program can not detect the device. Since the device does not work ... Seller 20/08/19: Then do as you like!