I bought this to support wired USB barcode scanner connection (with OTG) and power to charge Oppo phone. Asked questions to the Revain community who said it would work. It's not like this. The splitter only allows you to use one function at a time - either a USB barcode scanner or powering your phone. There's no point in having a splitter if you still need to unplug one of the cables to get the other to work.
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