usb cable kits usb cable for ipod,iphone mp3,mp4,mobile data transmission ... :USB2.0,3.0 Optional. Electrical:1) 100% open & short test;2) Hi-Pot: DC 300V 10ms;3) Insulation Resistance: 10M ... ) Our promise, so long as product quality has question, upon test and find out if they are our fault, we can ...