1.3.5mm Male Right Angle to 3.5mm Female Stereo Audio Cable

2.4 Pole Connectors - Supports Audio, Microphone or Video

3.Molded Gold Plated Connectors with Strain Relief.Gold-plated connectors ensure a solid and high quality connection between the connected devices.

4.This is extension cable,it will not change any function of your headphone earphone.so if the remote and mic on your headphone earphone is Compatible with your phone,after you add this extension cable,the remote and mic on your headphone earphone also work well with your phone,if the remote and mic on your headphone earphone is not Compatible with your phone,after you add this extension,the remote and mic on your headphone earphone still can not work with your phone.

5.You can use it as a spare or replacement in case that your original cable is lost or damaged.