Specification:
100% Brand New,quality is very hight
2.5mm plug to 3.5mm Jack Adapter
Converts Smaller 2.5mm Mini-Plug Headset or Headphone Devices for use with larger 3.5mm Receiving Devices
Will Change some MP3, MP4 and CD Players to accept a 2.5mm Headset or Headphones.
Package include:2pcs stereo audio mic plug adapter