2.5mm male to 3.5mm female handsfree speaker headset adapter
Convert handsfree with 3.5mm headset jack to handsfree with 2.5mm headset jack in an easy way
Converts cellphones own audio output into universal 3.5mm output and can connect cellphone to external speakers or stereo headphones
With FastPort connector in one end which plugs into your cellphones, the other end is a female 3.5mm jack