2.5mm to 3.5mm adapter/ 3.5mm to 2.5mm adapter

Jack 3.5 mm to 2.5 mm Audio Adapter for Aux Speaker Cable Stereo Headphone Headset Mic 2.5mm Male to 3.5mm Female Plug Connector

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.

Specification:
* Connectors: 3.5mm Male to 2.5mm Female (2.5mm Male to 3.5mm Female )
* Net Weight: 2.2g
* Length:approx 34mm
* Diameter:approx 7mm

Package Include:

*  1 x 3.5mm/2.5mm Audio Plug Adapter