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When listening to the earphone is interrupted, people often take off the earphone rather than go to grope for the key.However,when put on the earphones back they have to return to listen again, especially in listening to audiobooks, practicing a foreign language or seeing filims. Therefore,the new earphones was designed.There are built-in pulse sensors in the earphones, when you take off the earphones it will stop playing immediately and wear it will play continue.
Tianjin University of Commerce