Alogic USB2-MCAB-ADP, Usb 2.0 Type B Micro To Type A Otg Adapter Male To Female, CL 5cm, Output USB Type A X 1, Input USB Type B Micro X 1, Black. The 15cm USB 2.0 Type B Micro to Type A OTG Adapter - Male to Female adapter is the ideal solution to convert a USB 2.0 Type B Micro Port found on most mobile devices, like phones and tablets to a full-size USB 2.0 port.