The standard A to B cable connects a computer to a peripheral such as printer or scanner. For all devices check then type of connector needed. Colour : Black Length : 1m Connections : A plug (flat) to B plug (Square) Gold Plated Connectors For the best possible signal transfer USB v2.0 is a high speed connection method which is 40 times faster than USB v1.1 (480Mbps as opposed to 12Mbps).