![2.5MM Male to 3.5MM Male Stereo Cable - Deep Surplus](http://deepsurplus.com/cdn/shop/products/2.5MM_to_3.5MM_Cables_{width}x.jpg?v=1594846686)
These 2.5mm male to 3.5mm male audio patch cables can be used to convert any speaker, headset or other device from a 2.5mm to a 3.5mm connection and vice versa.
The 2.5mm connector is the smaller cousin to the 3.5mm, which is just a little larger in diameter.