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Amazon.com: GoPro Micro HDMI Cable (GoPro Official Accessory) : Electronics
4XEM 6FT Mini HDMI To HDMI M/M Adapter Cable
Amazon.com: Micro HDMI Cable High Speed + Mini USB Cable Kit by BRENDAZ for GoPro HERO4 Black HERO4 Silver, HERO3+ HERO3 Cameras, HDMI Supports Ethernet Channel, 3D Video, 4K : Electronics