1)usb to micro cable, 1.1v ,2.0v,3.0v optional 2)bare copper , 1m~30m optional 3) blue,black,white ,red ,etc jacket optional ... Feature :1.USB 3.0 AM-Micro b cable2.USB 3.0 cable offers a durable high-quality connection3.Fast transfer ... -AM to USB type-micro b12.Color: blue13.USB3.0 CABLE is already in mass production. high quality bare copper USB 3.0 am to micro cable