FunctionUsed for data transmission and charging expansion widely used on Printer Scanner Fax Machine etc. (This product is for converts your USB B female port into a USB A female port please make sure this is what you need before ordering!!! Won't work for midi electronic musical instruments!!! )Easy to UsePlug and play no software or power required a very convenient way to connected computer and printer. (This product is for converts your USB B female port into a USB A female port please make sure this is what you need before ordering!!! Won't work for midi electronic musical instruments!!! )FastUSB 2.0 design transfer speed up to 480mbps; charging current up to 2A.

(This product is for converts your USB B female port into a USB A female port please make sure this is what you need before ordering!!! Won't work for midi electronic musical instruments!!! )DurableNickel-plated USB plug enhanced signal transmission stability oxidation resistance corrosion resistance. (This product is for converts your USB B female port into a USB A female port please make sure this is what you need before ordering!!! Won't work for midi electronic musical instruments!!! )MaterialMade of high quality metal and PVC materials good electrical conductivity durability and easy to use.

(This product is for converts your USB B female port into a USB A female port please make sure this is what you need before ordering!!! Won't work for midi electronic musical instruments!!! )