Features:Simply plug this cable into the USB port on your HERO 3， 3+ or 4 Camera and plug a 3.5mm microphone jack into the cable. Our cable uses straight USB port so the adaptor can be used while the camera is in a frame housingCompatible with: For GoPro Hero 4 3+ 3Mic Connector Type: 3.5mm Jack (Stereo)USB Connector Type: Mini USB-10 PinLength: Approx. 24cm/ 9.4"Color: BlackPackage Included:1 x Microphone Mic Adaptor Cable