TWO YEARS WARRANTY. On any issue with the lavalier microphone for iphone - just contact YouMic support. IMPORTANT: THIS PACKAGE DOES NOT CONTAIN AN iPHONE ADAPTER. Plug&Play. No drivers needed. Just plug the mic for recording on most smartphones or cameras. TRRS to TRS 3.5 mm Jack adapter is included. Universal Compatibility. For Android, Cameras, Camcorders, Audio Recorders, Tablets Laptops and iPhone (adapter is not included). Lavalier microphone gives CLEAR SOUND in comparison with built-in microphone, reduce the noise of recording.