Amazon.com : Gopro Hero4 Black 4k Action Camera Hero 4 Camcorder Chdhx-401 : Electronics
GoPro Hero 4 Black Edition (30p, Bluetooth, Wi-Fi) - buy at digitec
GoPro Hero 4: Everything You Need to Know
Blowsion. GoPro HERO4 Black / Surf Edition - CHDSX-401
Fotodiox Pro GoTough Arca Swiss QR Tripod Base Mount - Metal GoTough Tripod Mount Plate for use with Arca-Swiss Quick Release System and GoPro HD Hero Cameras with the Quick Release Buckle
GoPro Hero4 Black review: Smooth 4K video that's still the best in the category - CNET
GoPro Hero 4 Silver vs Hero 4 Black - What's the ACTUAL difference? - YouTube