ienza replacement 3.5mm trs to 3.5mm trrs patch adapter cable for iphone smartphone movo boya by mm1 rode videomicro mics ienzagencables this 3.5mm trs (3-pole) to trrs (4-pole) patch cable is compatible with rode, boya, movo sc7 and similar external microphones. this can be used to connect your smartphone or any other electronic devices with combined mic/headphone trrs ctia jack into a recording microphone that requires a trs input. this trs to trrs microphone patch cable is compatible with iphone, ipad, samsung, lg, pixel and other android smartphones. configuration: 3.5mm trs (tip ring sleeve, 3-pole) male to 3.5mm trrs (tip ring ring sleeve, 4-pole) male, approximately 9 inches long (coiled length). important note: if you are using an a smartphone with no 3.5mm jack, make sure that you are using the original 3.5mm adapter (or an equivalent adapters that can be connected to a microphone). most replacement 3.5mm adapters are not capable of connecting to a microphone. similarly, if you are using an android device with no 3.5mm jack, make sure that you are using a usb c to 3.5mm adapter that can be connected to a microphone. instruction: plug the grey head (3 rings or trrs side) into the smartphone mic/headset jack that requires a trrs input, and the black one into the mic. great for connecting recording microphones with 3.5 trs input into smartphones and other electronic devices with a 3.5 trrs jack.