[SOLVED] What connection is this?

[ehvfehvf]

Can you guys tell me what connection is this, I wanted to use my headphone jack but its too big, is there any chance I can buy a cable that has this connection male and headphone jack female? If yes can you show me an example of one?
Thanks in advance, its a piano btw

https://imgur.com/a/pLSHuUC

View: http://imgur.com/gallery/pLSHuUC

 

[DrummerManSpike]

Slap a ruler next to it and find out the diameter of it. If it's newer it might be a 3.5mm jack, but for older it could be a 1/4" jack

 

[ehvfehvf]

Slap a ruler next to it and find out the diameter of it. If it's newer it might be a 3.5mm jack, but for older it could be a 1/4" jack

It is approx 0.6mm

 

[ehvfehvf]

It is approx 0.6mm

It is also an old keyboard, 7 years i think

 

[ehvfehvf]

Slap a ruler next to it and find out the diameter of it. If it's newer it might be a 3.5mm jack, but for older it could be a 1/4" jack

Heres another video

https://imgur.com/a/Lw4rNWN

View: http://imgur.com/a/Lw4rNWN

Is it a 1/4 jack?

 

[Gam3r01]

Yes thats a 1/4" port, also (properly) labeled as phones.
What you are looking for also exists, and very cheap: https://www.amazon.com/UGREEN-6-35m...DREHK1WBTPZ&psc=1&refRID=XDT1HSTM9DREHK1WBTPZ