3.5mm Male to RJ9 / RJ10 4P4C Female Headset Adapter Cable for Smartphones

This 3.5mm male to RJ9 / RJ10 (4P4C) female headset adapter cable allows compatible RJ9/RJ10/RJ22 telephone headsets to be used with devices that feature a standard 3.5mm headset jack, such as smartphones, tablets, laptops, and PCs.

Designed primarily for adapting telephone-style headsets to mobile devices, this cable enables audio and microphone transfer from an RJ9 headset to a 3.5mm TRRS input. It is ideal for softphone use, VoIP applications, testing environments, and call-handling setups where legacy telephone headsets are required.

Important compatibility notice: this adapter is NOT compatible with Cisco, Avaya, SNOM, Yealink, Panasonic, or other enterprise desk phones. It is intended for smartphone and PC use only.

Key features:

• 3.5mm TRRS male to RJ9 / RJ10 (4P4C) female adapter

• Converts RJ9/RJ10/RJ22 telephone headsets to 3.5mm devices

• Supports audio and microphone signal transfer

• Gold-plated 3.5mm plug for improved signal reliability

• Compact, lightweight cable design

• Approximate cable length: 0.4m

Compatibility:

• Works with smartphones, tablets, laptops, and PCs with a 3.5mm headset jack

• Compatible with many RJ9/RJ10/RJ22 telephone headsets

• Not compatible with RJ11 connectors

• Not compatible with Cisco, Avaya, SNOM, Yealink, Panasonic desk phones