

My new laptop doesn't have a headphone jack.
[ˈmaɪ ˈnu ˈlæpˌtɑp ˈdəzn̩t həv ə ˈhɛdˌfoʊn ˈdʒæk.]
I always wear headphones when I work at home.
[aɪ ˈɔlˌweɪz ˈwɛr ˈhɛdˌfoʊnz ˈwɛn aɪ ˈwɜrk ət ˈhoʊm.]
Have you seen my wireless headphones anywhere?
[həv jə ˈsin ˈmaɪ ˈwaɪərləs ˈhɛdˌfoʊnz ˈɛniˌwɛr?]
"headphone" is in the lesson "Interior" (Level 22), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,375 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.