Unlimited Cellular 2.5 to 3.5 Barrel Adapter (2.5mm Female to 3.5mm Male)

Your Favorite 2.5mm Headset With Your 3.5mm Device

Connecting Devices - Audio jack adapter that extends the reach of most 3.5 mm cables/plugs through thick pockets for mobile devices iPhone iPod MP 3 players CD players smartphones tablets or an audio device with a 3.5 mm headphone jack to the headset with microphone credit card - close reader car office or home audio system. -Supports microphone and volume control / play / pause / call / hang-up functions. 

Universal Compatibility - Pure copper connectors resist corrosion and ensure a minimal signal loss. Rugged construction provides years of reliable service. Much longer service life and more durable compared with those plastic connectors with metal paint.

Digital & Analog Transmissions - Transfers a strong & clear signal for digital & analog transmissions. A durable flexible PVC jacket makes it easy for you to lay your RCA cable through the most tricky of routes.

Note:
This adapter is compatible for all types of no mic function earphones. If your earphone/headphone with Mic Function please check it is OMTP Standard Jack or CTIA Standard Jack as this adapter only suit for OMTP Standard Jack Earphone but not compatible for the CTIA Standard Jack Earphone.
The difference of OMTP Standard Jack or CTIA Standard Jack Earphone/Headphone:
1. The 4 poles connection sequence of OMTP Standard Jack earphone is: Left Channel Right Channel Mic Earth Wire
2. The 4 poles connection sequence of CTIA Standard Jack earphone is: Left Channel Right Channel Earth Wire Mic
So please double-check the standard of your earphone/headphone is OMTP Standard Jack or CTIA Standard Jack before purchasing this adapter. Of course if your earphone with no Mic function then no worries it will suit well.