Does iBasso D10 use power any time it's on?

[Mediahound]

If I leave the D10 on when I turn off my computer (connected to the USB or optical), does it drain the battery? Do I need to turn it off when I'm not using it?

 

[wuwhere]

Yes, it drains the battery if you leave it on.

 

[Mediahound]

Thanks.