ANRANK USB0101AK USB Male To USB Male M/M Gender Changer / Coupler / Adapter / Converter - Black (2 Pack) Connectors: USB male at both ends, be used to connect or extend USB cable or device USB devices generally consist of host devices such as computers which usually have type A ports and down stream peripheral devices such as printers, cameras, etc. Those devices use a Type B or some variation of mini or micro type B Compatible with MP3,MP4,digital cameras etc and other USB devices Has stable performance with high transmission speed. Light and small, easy to carry. Durable for long time use