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| aurículares | |||
| auscultadores (Combined earphone and microphone set that enables hands-free communication) | |||
| Headset, fone de ouvido (Combined earphone and microphone set that enables hands-free communication) | |||
| auscultadores; auscultador com microfone incorporado | |||
| capacete telefónico | |||
| English thesaurus | |||
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| headphone | |||
| hdst | |||
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headset : 6 phrases in 3 subjects |
| Communications | 4 |
| Computers | 1 |
| Patents | 1 |