Usually delighted with this product (purchased by 3 times!), The last sent has had bugs (it had to introduce eject, re introduce to view the files appear) ... finally, after a week of use, the device has proved "Unreadable" (like mac pc). The trouble, it's that important safeguards were above! :( Like all "suspicious" customers I have, in normal times, has given this 5 stars, but I remain cautious because of the latest incident of ... or the only star. I will now turn towards another product ... pity !!