The scanner I have is Win-108 (I got that one after all, mint contion for around 10$) and it has only one earphone jack, here's what it says about it in the manual:
"The Ear marked socket is used for connection of a suitable earphone, pair of headphones, or external loudspeaker. The correct impedance for external phones is 8 to 16 ohms, and the connector is a standard 3.5mm jack plug."
I have a laptop and I have to jacks on it, mic and headphones. Which shall I use to connect the scanner with this cable? I can't damage it, can't I?