JK Audio CN113 Adapter Cable
[REF]:
https://www.bhphotovideo.com/c/product/857196-REG/JK_Audio_cn113_3_5mm_Wireless_Phone_Cable.html
The JK Audio CN113 Adapter Cable is a four conductor 3.5 mm headset adapter cable, which is compatible with most iPhones, Android phones and notebook computers. It allows audio to be sent through the headset jack of smartphones and notebooks, which facilitates sending and receiving of voice band audio during regular calls, or full bandwidth audio using third party codec applications.