GoPro Hero4 Review for Underwater Video - Underwater Photography Guide
Amazon.com : GoPro Hero4 Black : Electronics
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GoPro announces small n' simple Hero4 Session
GoPro Hero4 Camera Review
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GoPro's new iPhone-connected Hero4 wearable camera captures 4K video at 30fps | AppleInsider
Review: GoPro Hero 4 Black brings high frame rates to high-resolution video | AppleInsider
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GoPro Hero 4 Session Review
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GoPro HERO4 Revealed! 4K Video at 30FPS and the First Built-In Touch Display | PetaPixel
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Amazon.com : GoPro Hero 4 Silver Edition 12MP Waterproof Sports & Action Camera Bundle with 2 Batteries : Electronics
