“What is the USB specification? Is the USB input 2.0 or 3.0? Thank you”
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2.0
Sorry, there was a problem. Please try again later.I'm noq quite sure, but considering that at least the one I bought is made in March 2015, I would t trhink it's USB 3.0 - But there is an easy way to find out, if you have a PC with USB 3.0 connect any USB flashdrive or HDD you have that is USB 3.0 and find out how MB/sec transfer rate you get, then try a USB 2.0 device and take a note of each speeds, then connect your USB 3.0 flashdrive or HDD to the HDTV USB port and try transfer to read/transfer a file and take a note of the time by using an accurate timer, or your watch, or anything you have in hand and that way you'll figure out whether the USB connection on the HDTV is either 2.0 or 3.0, ....d the easiest way if you don't want to do all this, send e-mail to Insignia Tech Support and ask them, or give them a phone call.
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