With this 2.5mm Female to 3.5mm Male Adapter, you can enjoy your favorite music, podcasts, or audiobooks on any device, anytime, anywhere. 2.5mm Female to 3.5mm Male Adapter Crafted with prmium materials, this audio cable ensures optimal sound quality without any loss. Its compact and lightweight design makes it easy to carry around. 2.5mm to 3.5mm adapter only suits for CTIA Standard Jack Earphone but is not compatible with the OMTP Standard Jack Earphone. Embrace the simplicity and efficiency of our audio adapter’s slim design. With no extra cords to tangle or awkward angles to deal with, it’s as straightforward as plug-and-play. Plug and Play: The slim design makes this the best style to use, there are no extra cords or odd angles, just plug and go Unleash the Power of Your Audio! With our 2.5mm to 3.5mm adapter, you can connect your devices with ease. Don’t let incompatible ports limit your sound experience..

Specification:
Brand: Miuono
Port: 2.5mm Male to 3.5mm Female,3.5mm Male to Female
Crafts: 24k thick gold planting
Material: Aluminum housing
Quality: High standards of quality control


Notice:

1.Confirm your requirement please:

TRRS can not be used for balanced device, TRS can be used for balance and unbalanced device.
TRRS connectors are specialized for unbalanced applications that require an additional signal, such as a microphone. Common in devices like smartphones, laptops, and headsets that combine audio output and microphone input in a single connector

2.*If your earphone/headphone with Mic Function, Please note that the adapter only fit for CTIA Standard Jack Earphone to OMTP, but it is not compatible with the OMTP Standard Jack Earphone to CTIA

How can I distinguish OMTP and CTIA ?
The middle three isolation rings of the American standard are generally white, while the national standard is generally black. Most earphones can be distinguished by this method.

2.5mm to 3.5mm and 3.5 to 2.5mm TRRS adapter is designed to convert from CTIA standard to OMTP standard. This means:
CTIA Standard Jack Earphone to OMTP: It can convert headphones with a CTIA standard jack to work with a device using the OMTP standard.
OMTP Standard Jack Earphone to CTIA: Unfortunately, it does not convert headphones with an OMTP standard jack to work with a device using the CTIA standard.


4. Why Your Microphone Might Not Be Working Wiring Standards Mismatch
There are two common TRRS wiring standards:

CTIA (Cellular Telecommunications Industry Association): Most modern smartphones and devices use this standard.:
Tip: Left audio:
Ring 1: Right audio:
Ring 2: Ground:
Sleeve: Microphone:

OMTP (Open Mobile Terminal Platform): An older standard.:
Tip: Left audio:
Ring 1: Right audio:
Ring 2: Microphone:

Sleeve: Ground:

If the adapter or the device uses a different wiring standard than the headphones, the microphone won't work properly.
If your headphones use the OMTP standard and your device uses the CTIA standard, this adapter will not work for your setup.
The wiring mismatch means the microphone signal and ground will not align correctly, causing the microphone not to function.