Using a Sennheiser ME2 Lav Mic with the Zoom H1 or H1n Audio Recorder - YouTube
Amazon.com: Zoom H1n Portable Recorder, Onboard Stereo Microphones, Camera Mountable, Records to SD Card, Compact, USB Microphone, Overdubbing, Dictation, For Recording Music, Audio for Video, and Interviews : Musical Instruments
How to Set Up the Zoom H1 with a Lavalier Microphone - YouTube