Rode SC4 3.5mm TRS to TRRS Microphone Cable Adaptor, 3 Inches Amazon as the seller is the ONLY authorized Fulfilled by Amazon Dealer, and purchases from unauthorized dealers carry No Warranty A high-quality shielded cable adaptor Designed to allow microphones with a 3.5mm output to connect to TRRS smartphones and tablets Ideal for users wanting to connect their RDE VideoMic to their iPhone and record using the RDE Rec app for iOS Also compatible with the majority of Android devices on the market Compatible with stereo microphones, with both left and right channels combined to a mono signal to be compatible with TRRS