If it's not working you return it for something that does.
But I've encountered many no-names with bad USB cables. So if you have another cable, try it.
i have a qq tech mp3 player. of course there is no customer support number. i am relying on yall to help me. my laptop does not recognize my mp3 player but up undr the usb it says its read to use. but up under the media player i go to sync device and there nothig there even though the mp3 player is hooked up any answers ??