Best Buy: GoPro HERO4 Black 4K Action Camera Black GoPro HERO4 Black
Amazon.com : Suptig Housing Rechargeable Waterproof housing for GoPro Hero 4 Hero 3+ Hero 3 Outside Action Camera for Underwater Charge Use - Water Resistant up to 131ft (40m) : Electronics
Amazon.com : Suptig Replacement Waterproof Case Protective Black Housing Touch housing for GoPro Hero 4 Hero 3+ Hero3 Outside Sport Camera for Underwater Use Water Resistant up to 147ft (45m) : Electronics
Extended Battery Module For GoPro 11, HERO10 Black & HERO9 Action Came – Digipower
Amazon.com : SOONSUN Skeleton Housing Case with LCD Touch Backdoor for GoPro Hero 4, Hero 3+, Hero 3 Cameras, Side Open Housing Case Allows Charging Camera Without Removing The Housing Case - Transparent Blue : Electronics
Amazon.com : Waterproof Floating Hand Grip Compatible with GoPro Hero 11 10 9 8 7 6 5 4 3+ 2 1 Session Black Silver Camera Handler & Handle Mount Accessories Kit for Water Sport and Action Cameras (Yellow) : Electronics
Amazon.com : GEPULY Frame Mount Protective Housing Case with Bracket Accessories and Lens Cap for GoPro Hero 3, Hero3+, Hero 4 Black Silver Cameras : Electronics
Amazon.com : SOONSUN Frame Mount Housing Case with External Lavalier Lapel Clip-on Microphone for GoPro Hero 3, Hero3+, Hero 4 Black White Silver Action Cameras : Electronics
Amazon.com : CamKix Diving Lens Filter Kit Compatible with GoPro Hero 4, Hero+, Hero and 3+ - fits Standard Waterproof Housing - Enhances Colors for Underwater Video and Photography - Includes 5 Filters : Electronics
Amazon.com : GoPro HERO4 Black 4K Camera/ Music Edition : Electronics
Extended Battery Module For GoPro 11, HERO10 Black & HERO9 Action Came – Digipower
GoPro Hero4 Black review: Smooth 4K video that's still the best in the category - CNET
Amazon.com : Nechkitter 60m Dive Protective Housing Case for GoPro Hero 5 Session Hero 4 Session Hero Session, High Transmission Waterproof Housing Case : Electronics
Amazon.com : Suptig Protective case Charging case Wire Connectable Skeleton Protective Side Open Housing case Compatible for GoPro Hero 4 Hero 3+ Hero 3 Camera : Electronics
Amazon.com : SOONSUN Standard Protective Waterproof Dive Housing Case for GoPro Hero 4, Hero 3+, Hero 3 Black Silver Camera - 40 Meters (131 Feet) Underwater Photography : Electronics
Amazon.com : Waterproof Case for Gopro Hero 4 3 Plus, Protective Rotective Underwater Dive Case Cover Housing for Go Pro Hero 4 3+ 3 : Electronics
Amazon.com : GoPro Hero4 Silver : Electronics
Amazon.com : GoPro Hero4 Black : Electronics
Amazon.com : Suptig Jaws Flex Clamp Mount Gooseneck Mount for GoPro Hero 11 Hero 10 Hero 9 Hero 8 Hero 7 Hero 6 Hero 5 Hero 4 Session Hero 3+ Hero 3 Arlo Arlo pro Action Cameras : Electronics
Amazon.com : TELESIN Floating Hand Grip Waterproof Stick for GoPro Hero 11 10 9 8 7 6 5 4 3 2, Fusion, Max, Underwater Selfie Sick for Most Action Cameras : Electronics