DIY Micro USB-C to 3.5mm Adapter and Headphone Amplifier (Part 4) - Daumemo
New Black Micro USB Jack to 3.5mm Headphone Earphone Adapter Socket Audio Cable : Electronics
Amazon.com: Motorola Micro-USB Headset Earphone Adapter 3.5mm Earbuds Jack Converter for Verizon Motorola Z6c : Electronics
Duttek USB Header to Micro USB Dupont Cable, 90 Degree Right Angle Micro USB Male to 5 Pin Motherboard Female Adapter Dupont Extended Cable 50CM/1.64FT (2-Pack) : Electronics
MicroUSB to 3.5 or 2.5 jack headset pinout diagram @ pinoutguide.com