This headphone/microphone combo jack splitter is a headphone splitter adapter with one 3.5mm male (TRRS) and 3 3.5mm female (TRS) connectors, 

allowing you to add mono mic input, and stereo output to your personal computer or laptop via a single 3.5mm audio port. 

It can transform the combo port into 3 different ports: a 3.5mm headphone jack and a 3.5mm microphone port, and a headphone + microphone interface.

Features:

1. Convert the 3.5mm headphone/microphone combo port into 3 different ports: (1 X Microphone jack + 1 X headphone jack + 1 X Microphone headphone jack)

2. Allow older audio accessories to be used on newer computers.

3. Compact design, an excellent solution to achieve maximum portability, perfect for your handbag computer bag.

4. Can be used for all portable devices using 4-bit 3.5mm jacks, such as iPhone, iPod and iPad devices.

5. High-quality aluminum alloy materials, more durable, and the port adopts gold plating process for anti-oxidation treatment, which effectively extends the service life.

6. Universal compatibility, easily convert audio ports between 3.5mm.

Specification:

Appearance colour: black red

Plug: 1X3.5mm male, 3X3.5mm female (1 X microphone plug + 1 X headphone plug + 1 X headphone microphone plug)

Outer diameter of wire body: 5.0mm

Material: Alloy shell

Outer shell material: TPE + pure cotton fabric weave

Common Process: Gold plating

Product Wire Gauge: 29AWG

Function: Plug and Play

Line length: 0.3m/11.81"

Packing size: 180X120X5mm/7.09X4.72X0.2"

Packaging includes:

1 * Audio cable