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GoPro Hero4 Black review: The action camera that keeps its crown - Jeff Parsons - Mirror Online
GoPro HERO4 Action Camera (Surf Edition) - Black for sale online | eBay
30M Waterproof Case for GoPro Hero 4 3+ Black Silver Action Camera with Bracket Protective Housing for Go Pro 4 Accessory|Sports Camcorder Cases| - AliExpress
GoPro Goes 4K with HERO4 Black, Adds Touchscreen to HERO4 Silver, and Debuts $130 Entry-Level HERO | PetaPixel
GoPro HD Hero Motorsports Video Camera $299.95 Free 2-day Shipping
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GoPro Hero4 Black Review: The Best Action Cam Gets Upgraded | NDTV Gadgets 360
GoPro Hero4 Black review | TechRadar
Action camera shootout: Which GoPro is best for you? | Engadget
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