You need this HDMI to micro HDMI cable which works with your HD television set and your GoPro HD Hero 3 sports camera. Features: « Simple plug and play operation « Made from high-quality material _ extra long 180cm length « Provides a stable digital signal so your videos appear crisply and clearly on your HDTV « A convenient, easy way to enjoy your HD GoPro videos « Interface: HDMI to Micro HDMI "