GoolRC USB 90 Degree Connector to AV Video Output Cable FPV for Gopro Hero 3 Cable for Gopro Hero 3. It features Video/Audio output from the camera's USB port to your video transmitter or monitor. This cable has a 90 degree USB connector so you can fit the cable more securely to the camera without extruding plug. You will also be able to fit your camera into a more tight space.This cable works with all video transmitters, such as Fatshark. Yellow pin goes to video signal pin on the VTX and black pin goes to Ground on the VTX. Very easy to setup.