GoPro Mic Review: Edutige ETM-001/006, ETA-001 - YouTube
ETM-006 - 3.5mm 3-Pole (TRS) Lavalier Microphone
Comparing Two Edutige Mini Mics: ETM-001 vs ETM-008 - YouTube
ETM-006 vs ETM-008 - Should you get an omnidirectional or unidirectional microphone? [VIDEO] - Edutige Microphones - For the best iOS, Android & GoPro External Microphones