I-Click Digishop - Capturing 4K Ultra HD video and liquid-smooth slow motion at up to 240 frames per second, HERO4 Black delivers higher performance than any other GoPro. GoPro Hero 4 Black
GoPro HERO4 Session Slow Motion Test | Halley O'Brien
GoPro Hero4 Black review: Smooth 4K video that's still the best in the category - CNET
GoPro Hero4 Black review | TechRadar
Rental - GoPro Hero 4 Black Edition | talamas.com
Insider's Guide to GoPro HERO4 | Abe Kislevitz
GoPro HERO4 Black Gets Super Slow Motion Firmware Update with 240fps | CineD
GoPro Hero 4 slow motion video | JAMES ABBOTT PHOTOGRAPHY