Various causes: There are very many causes, from congestive heart failure, to lymphedema, to venous insufficiency, blood clots, pregnancy, a various other causes, including serious and not-so-serious causes.
I have a Sony DVP ns55p blu-ray player with a usb port in the front. The player requires that the usb flash device (thumb drive) be formatted in FAT32in order to recognize it.
1-16 of 3,717 results for waterproof flash drive. 1  Samsung 32GB BAR (METAL) USB 3.0 Flash Drive (MUF-32BA/AM) by Samsung. 2  Amazon's Choicefor waterproof flash drive. 3  Samsung 128GB BAR (METAL) USB 3.0 Flash Drive (MUF-128BA/AM) by Samsung.  Corsair Flash Survivor Stealth 64GB USB 3.0 Flash Drive.