Professional lavalier (lapel) omni directional condenser microphone 20 foot audio cable  adapter for GoPro HD Hero, Hero3, Hero Plus, GoPro HERO4 Silver, GoPro HERO4 Black Action camera All-in-one solution for recording hands-free audio For GoPro HD Hero, Hero2, Hero3, Hero3+, GoPro HERO4 Silver, GoPro HERO4 Black, GoPro HERO Action Camera Includes Professional Lavalier (lapel) Omni-directional Condenser Microphone - 20 foot Audio Cable Attaches via lapel clip. Foam windscreen helps to eliminate wind noise and insulate the microphone. Designed for use with GoPro Hero4, Hero3+, and Hero3 Cameras. In-line LR44 battery capsule with on-off power switch. Microphone connects via a 20 long cable directly into the mic port on the GoPro Camera.