1. SCOPE OF APPLICATION: 5mm TRS patch cable is suitable for connecting a recording microphone with a 5mm TRS input to smartphones and other electronic devices with a 5mm TRRS jack, such as Galaxy Note 8, Note 9, and similar models. 2. EASY CONNECTION: 5mm TRS patch cable is ideal for connecting the output of an to a DSLR or camcorder using the microphone input, allowing sound to be captured directly by the camera while recording high-quality o. 3. OXYGEN FREE COPPER: 5mm TRS to TRS patch cable features oxygen free copper conductors with an aluminum shield that blocks up to 99% of interfering signals, reduces noise, and ensures clear, high-fidelity sound transmission. 4. EASY TO USE: Simply plug the 3-pole end into an external microphone, such as BOYA, Deity Video Microphone, or Rode VideoMicro, and connect the other end to a camera, camcorder, or recording device. 5. ADJUSTABLE LENGTH: 5mm TRS to TRS microphone patch cable is compatible with Nikon DSLR, Lumix cameras, and Zoom H1, H6 portable o recorders. Cable length adjusts from 20 to 50cm for added convenience and flexibility.