👉 Product Connection Ports: 3.5mm Male + 2.5mm Female
👉 This adapter allows you to use 2.5mm earphones on most phones with 4-pole combined mic/headphone 3.5mm jack.
👉 This cable can supports both headphone and microphone functions.
👉 Clean natural pure audio sound with realism and clarity jitter-free stereo format signals.
👉 What You Need to Know: There are two standards that these 3.5mm jacks can comply with: CTIA and OMTP. The difference between the two is the position of the microphone portion of the jack. Such as the Xbox One controller uses a CTIA 3.5mm jack, so there's no way an OMTP jack, you can not use it ,so please check your device before buy.