"Dual" connection ?

[aSPIRIn4]

My speakers are Logitech z506.

Spoiler

I use the green,black and orange to connect it to my pc. 

But sometimes i want to connect my phone to the speakers and i have to go and take the green one and plug it in to my phone...

 

Can I connect my phone to the speakers with : Stereo cables to jack? and have my pc still connected(but not playing).

If yes , what would happen if I play at same time phone and pc ?

Spoiler

 

[NTDaws]

Normally it should work.

[pbx2]

If your speakers have an input selector then you will need to change, otherwise it will work, another option is to use the Line in (Light Blue) on your PC (If it has one) and then set it to repeat the input over speakers, This does require your computer to be on however.

[APasz]

Dug out my set to see as I was curious myself.

Both will work at the same time.