Please check carefully about the products,
Option 1: 3.5mm (Male) 2.5mm (Female)
Option 2: 2.5mm (Male) 3.5mm (Female)
Features:
Convert a 3.5mm stereo audio jack to a 2.5mm jack.
This adapter allows you to use headphones and audio cables with 2.5mm connectors with devices that have a 3.5mm jack. Gold plated connectors provide optimal signal transfer.
Connectors: 3.5mm Male to 2.5mm Female (2.5mm Male to 3.5mm Female )
Length:approx 34mm
Diameter:approx 7mm
Package Include:
1 x Audio Plug Adapter