This cable will allow you to connect your standard TRS (3-pole) 3.5mm microphone plug on to your TRRS (4-pole) iPhone, Android devices and other electronic devices that requires a TRRS input. This cable replaces Rode and Movo cables : SC4 3 inches Microphone Cable and MC3 3.5mm TRS (Female) Microphone Adapter Cable to TRRS (Male) for iPhone & Android Smartphones. This is designed to allow microphones with a 3.5mm TRS output to connect to TRRS smartphones and tablets such as iPhone, iPad, Android devices and other devices that requires a TRRS input. This is great for users wanting to connect their Movo or RØDE VideoMic to their iPhone, other Smartphones. Configuration: 3.5mm TRRS (Tip Ring Ring Sleeve, 4-Pole) Male to TRS Female. Designed to allow microphones with a 3.5mm output to connect to TRRS smartphones and tablets. Ideal for users wanting to connect their RØDE VideoMic to their iPhone. IMPORTANT NOTE: If you are using an iPhone with no 3.5mm jack (i.e., iPhone X), make sure that you are using the original Apple lightning to 3.5mm adapter (or an equivalent adapters that can be connected to a microphone). Most replacement lightning to 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.