• Convert 3.5mm stereo audio jack to 2.5mm jack
• This adapter allows you to use headphones and audio cables with 3.5mm connectors with devices with 2.5mm jacks
• Gold-plated connectors provide optimal signal transmission

Specification:

• Connector: 2.5mm male to 3.5mm female
• Net weight: 2.2g
• Length: about 34 mm
• Diameter: about 7mm