Disclosed by the present application is a bone conduction sound device, said bone conduction sound device comprising a sound mechanism and a fixing mechanism, and the fixing mechanism acting on the sound mechanism so as to adhere the sound mechanism to the back of the auricle of the ear of a user at least when the sound mechanism is being used. By means of the described configuration, the present application may improve the sound quality of a bone conduction sound device, thereby improving the listening effect.
BONE CONDUCTION SOUND DEVICE