DFRobot-KIT0126-Bone-Sound-Conduction-Kit-DFRobot-KIT0126-P-Bone-conduction-is-a-method-of-sound-transmission-Sound-is-converted-into-different-frequencies-of-mechanical-vibration-&-transmitted-through-human-skull-to-the-bone-labyrinth-inner-ear-lymphatic-transmission-helix-auditory-nerve-&-auditory-centre-P-P-This-kit-consists-of-a-bone-conduction-speaker-a-speaker-driver-board-&-accessories-It-is-intended-to-help-underst&-the-principles-of-bone-conduction-technology-makin