PROFESSIONAL USE : This cable replace Rode SC7 3.5mm TRS (3-pole) to TRRS (4-pole) Coiled Cable. Its designed to allow the BOYA Mic. Rode VideoMic/VideoMic GO/VideoMicro to connect with i+Phone Android phones and more. Great with Youtube Vlogging Facebook Livestream.ATTENTION : If you are using an i+Phone with no 3.5mm jack (i.e.. i+Phone X). make sure that you are using the original A+pple lightneing to 3.5mm adapter (or equivalent adapters that can be connected 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.HOW TO USE: Plug the grey head (3 rings or TRRS side) into the i+Phone 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. i+Phone and other electronic devices with a 3.5 TRRS jack.WHAT YOU GET: 1 X Ancable 3.5mm TRS (Tip Ring Sleeve. 3-Pole) Male to 3.5mm TRRS (Tip Ring Ring Sleeve. 4-Pole) Male Coiled Mic Cable. up to 50cm long.100% GUARANTEE All Ancable products come with 12 months warranty. you are protected with our 100% No Questions Asked Guarantee for either a replacement or refund.We care about only putting out high quality products that satisfy your needs.