| 主权项 |
1. An audio device, comprising:
a vibrator that includes a piezoelectric element configured to undergo flexure and a panel configured to be bent directly by the piezoelectric element to vibrate; and a holder that includes a behind-the-ear portion to be hooked over a helix of a user's ear and that holds the vibrator in a position that allows the vibrator to abut against the user's ear, wherein sound is heard by a user, the vibrator is configured to abut against a tragus of the user's ear from an outer side of the ear to transfer the vibration to the tragus to enable the user to hear sound, the vibration of the panel has a loop located in a middle of the panel and nodes located on both sides of the loop, and the middle of the panel and a periphery thereof abut against the tragus. |
