1.For listening to MP3s with your own earphones, speakers etc.
2.Adapter converts the audio output into universal 2.5 mm output
3.2.5mm output allows you to use your devices with any CD player, MP3 players, and other audio socket
4.Can connect to any 2.5mm stereo headphone
5.Can connect to any CD or MP3 player
Adapter
3.5mm, 2.5mm
3mm
11cm
5g