1:Color 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 ... -AM,AM-BM,AM-mini5pin,AM-micro 5pin.2.cable: 28AWG ... . Length: 0.5m,1m,1.8m,3m,5mFeatures:USB cable can support up to 127 devices on a daisy-chain configuration.-Support hot ...