| 摘要 |
An audio output device ( 200 ) adapted for matching with a MP 3 player ( 100 ), comprises a cap ( 20 ) and an earphone assembly ( 30 ) connecting with the cap ( 20 ). The cap ( 20 ) has a body ( 21 ) and a connector ( 22 ) received in the body ( 21 ). The connector ( 22 ) includes a housing ( 222 ), a number of terminals ( 223, 224 ) receiving in the housing ( 222 ) and a shielding member ( 221 ) enclosing the housing ( 222 ). The connector ( 22 ) is capable of matching with a plug according with the standard of USB (Universal Serial Bus), the terminals ( 223, 224 ) include three audio terminals transmitting audio signal. The earphone assembly ( 30 ) includes two strings ( 32 ) connecting with the three audio terminals and a pair of headphones ( 33 ) setting on the other end of the strings ( 32 ).
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