This cable replaces Rode SC7 3.5mm TRS (3-pole) to TRRS (4-pole) Patch Cable. This can be used to connect your iPhone Smartphone or any other electronic devices with combined mic/headphone TRRS CTIA jack into a recording microphone that requires a TRS input. This cable is designed to allow the mic, Rode VideoMic GO to connect to TRRS compatible devices such as the iPhone, and more. Great with Youtube Vlogging Facebook Livestream. Configuration: 3.5mm TRS (Tip Ring Sleeve, 3-Pole) Male to 3.5mm TRRS (Tip Ring Ring Sleeve, 4-Pole) Male Instruction: plug the grey head (3 rings or TRRS side) into the iPhone or 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, iPhone and other electronic devices with a 3.5 TRRS jack. colour:red material:metal size:Elongation about 50cm Package Contents: 1*TRS to TRRS microphone cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.