1 Mini USB to 3.5mm adaptor allows you to use your favorite headphones or earphones with your mobile phone. 2 Adapts 3.5mm mic microphone cable adapter connects any external 3.5mm microphone to the HERO3, HERO3+, HERO4, HERO5 cameras, and other cameras based on the same mini USB port. 3 The little mic adaptor allows you to use your favorite headphones or earphones with your mobile phone.
