2003 Honda Civic EX AUX adapter?

So i'm looking for an AUX adapter to connect to the back of the original stereo instead of replacing it. I found this one but the price isn't so good so this is my first option

http://enfigcarstereo.com/HON_ALP_DMX_V1D.html

I also found this cheaper option from the same website

http://enfigcarstereo.com/USASPEC_PA11_HON.html which this seems more durable than the first so if any of you guys have any experince with this ones let me about the durability and quality, also if you have any recommendations would be appreciated

The two units are not exactly the same. Check compatibility with your factory radio and functionality.