Amazon.com : SOONSUN Skeleton Housing Case with LCD Touch Backdoor for GoPro Hero 4, Hero 3+, Hero 3 Cameras, Side Open Housing Case Allows Charging Camera Without Removing The Housing Case - Transparent Blue : Electronics
Sena Bluetooth Audio Pack adds voice recording for GoPro cameras - BikeRadar
BOYA BY-LM20 Lavalier Clip-on Microphone for GoPro Hero 4 3 3+ Canon Nikon Sony Panasonic DSLR Camera Camcorder Audio Video Mic - FOMITO.SHOP
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GoPro HERO3: Silver Edition
Music Input and Audio Record Connect Cable for Intercom AUX Port – Rugged Radios
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NFlightCam GoPro Hero3, Hero3+, and Hero4 Audio Cable
GoPro HERO3 Black Edition Shoots 4K video (15fps), 1080p (60fps) & 720p (120fps)!