... and length optional 2:ROHS compliance 3:Nickel-plated connector 4:USB A male to USB female Specifications:1.USB 2.0 AM-AF,AM ... +28AWG*2C+AEB,OD:3.8-4.5mm4.Jacket color: Black, Blue, white , Transparent or your requirement..5. Nickel-plated and Gold ... ,scanners,digital cameras etc etc.-Work with USB1.0 and 1.1 devices. 3.0 USB AM/AM cable to micro cable witn length optional.bule,