BOYA BY LM20 3.5mm Clip External Lavalier Microphone + Mini USB Adapter for GoPro Hero 3+ 3 2 Camcorders Superb sound for audio and video recording. Clip-on microphone design, convenient to use. Omni directional condenser microphone. Low handling noise. Compatible with GoPro Hero cameras, perfect for 4 3+ 3 2, Camcorders.