How is bone conduction earphone to return a responsibility?

The new concept of these two years, in fact, as early as hundreds of years ago, some people use bone conduction headphones to listen music.

              Bone Conduction headset----Beethoven !

Bone conduction headphones do not need air conduction, but through the skull to the hearing center, the transmission process is almost no noise and noise, so the sound is much clearer than air conduction, even if very small volume can be heard.Bone conduction headphones are great for sports.

How bone conduction headphones work .

However, the technology for bone-conduction headphones is not yet mature, and there are also problems with sound quality, poor hearing innoisy environments and leakage of sound.So you'd better wait and see.