About this item For wide-ranging use: this TRRS to TRS adaptor is designed to connect a 4 pin TRRS microphone to a camera or audio recorder with a 3.5mm TRS 3 pole input for recording. For example, connect a TRRS lav microphone to a camera. Note: Only for Mic-input, Not for audio-output. For Wider Compatibility: 3.5mm TRRS connector with a 4 pin female jack for many kinds of microphone transmission, such as Android mic-built-in headphones, TRRS Lav microphones, etc. The TRS 3 pole plug is compatible with computer microphone ports (with separate microphone and audio ports), DSLRs cameras, zoom recorders, etc. Note: DOES NOT Work With IOS headphones. Superb Performance: This 3.5mm TRS to TRRS Patch Cable features 24K gold-plated contacts and a shielding jacket for crystal clear sound, a step-down and secure-fit design for stable connection, pure metal housing, and oxygen-free copper wiring for durable use. Unique crystal-nylon materials ensure minimized damage from dropping, pulling, and