Qingsun 20cm USB 2.0 Hembra a Micro USB Macho OTG Cable Adaptador Para Tablet USB OTG cable for connecting USB devices such as external mass storage devices to Android smartphones and tablets This OTG cable is designed as a Y-cable to use a supplementary USB power sourceThis OTG cable is designed as a Y-cable to use a supplementary USB power source This OTG cable is designed as a Y-cable to use a supplementary USB power source USB jack Type A female (to be connected to the USB device) + Micro USB jack Typ B female (to be connected to the power supply)