Convert standard 2.5mm plug phone headset plug to smartphone 3.5mm plug
Great for traveling, carry just one headset
Works with most 2.5mm plug headsets
Gold-plated for better conductivity and superior co rrosion resistance
Length: about 16 inches
Pls make sure see the compatible list below:
The 2.5mm female jack is for the standard 2.5mm plug headset headphones,
such as the headset with 2.5mm plug in our store.
Below link for your reference.
group/2-5mm-plug-headset/1019232_253340635.html
The 3.5mm plug is for most smartphone ,such as I -Phone,Android,etc