Headset for Keyboard

[username27]

Hai all,
I have a Yamaha PSR210 keyboard and it has a Aux out only apart from inbuilt speaker for sound. I am looking for a head set for that and from yamaha site I found HSE3 is the headset for tht.Anybody heard about this one? how mcuh it will cost? where can i buy?
Is there any way to use my computer headset to my Keyboard using a converter pin or something?

Alot of questions..
help me

regards

 

[username27]

Hai I found a converter for this..only 35/=...but not stereo, only mono...