GoPro Hero4 Black review: Smooth 4K video that's still the best in the category - CNET
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GoPro HERO4 Silver Essential Bundle - Sam's Club
GoPro Hero4 Silver review: Hero4 Silver is the best GoPro for the money - CNET
GoPro Hero4 Silver Review | PCMag
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Gopro Hero 4 BLACK Edition 4K Action Camera Camcorder CHDHX-401 - Walmart.com
GoPro HERO4 Silver Standard Edition Camcorder Review - Consumer Reports
GoPro Hero4 Black Edition review | Stuff
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GoPro HERO4 - Silver Edition - action camera - mountable - 1080p - 12.0 MP - Wi-Fi, Bluetooth - underwater up to 131.2 ft - Walmart.com
GoPro HERO4 Revealed! 4K Video at 30FPS and the First Built-In Touch Display | PetaPixel
