Q?how long is it?
A?Approximately 4 feet long.
Q:Does it only light up when charging the device?
A: Yes, this led cords only light up when charging or syncing.
Q:Does the light remain on after the phone is fully charged?
A: No, Shuts off power from the source when your device is fully charged.
Q:Will this cord catch on fire or anything like that if left plugged in? I have a wireless charger on my nightstand that keeps this running constantly.
A: I wouldn't leave it plugged in all the time only to charge it.
Q:Does this shut off when done charging?
Q?hi, the color cable is black or white?
A?The color of the cable is clear/white when not in use, when connected to a power source the light will be multicolor.
Q:Which models does this charging cable apply to?
A:Hi, it is suitable for both iPhone XR/Xs Max/X/8 Plus/8/7 Plus/7 /6/6 Plus/6S /5 /5S, iPad 2/3/4/Mini/Air/Pro, iPod touch 5/6,iPod nano 7 etc.