GoPro Hero 4 Revealed - 4K Video Resolution and Touchscreen LCD - Pinkbike
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Testbericht: GoPro Hero4 Black - hochauflösende High-Speed ActionCam
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GoPro HERO4 Silver vs. HERO4 Black Comparison and Review - YouTube
GoPro Hero4 Black Edition review | Stuff
Review: GoPro Hero 4 Black brings high frame rates to high-resolution video | AppleInsider
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GoPro Hero 4 Black Edition Camera Music Bundle | Reverb Deutschland
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GoPro Hero4 Black review: Smooth 4K video that's still the best in the category - CNET
GoPro HERO4 Black Gets Super Slow Motion Firmware Update with 240fps | CineD
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Hero4 update page
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GoPro Hero 4: Everything You Need to Know - Outside Online
Remote Control for GoPro Hero 4 on the App Store
GoPro Hero 5 vs Hero 4: key differences explained - Camera Jabber
