This cable by Delock enables you to supply a Micro USB device with power e.g. smart phone, tablet, smart watch, MP3 player or similar from a smart phone with OTG connector. The power will be transferred directly from the smart phone to the connected device.
DeLOCK 83570. Cable length: 0.3 m, Connector 1: USB B, Connector 2: USB B, USB version: 2.0, Connector gender: Male/Male, Product colour: Black