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. 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. 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. 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 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. PROFESSIONAL USE!: This cable replace Rode SC7 3.5mm TRS (3-pole) to TRRS (4-pole) Coiled Cable. It's designed to allow the BOYA Mic, Rode VideoMic/VideoMic GO/VideoMicro to connect with phones and more. Great with Youtube Vlogging Facebook Livestream.