Theatrophone – the 19th-century iPod

Sickly and often bedridden, by February 1911 French novelist Marcel Proust had one constant companion in the solitary confines of his cork-lined Paris sanctuary: a mysterious contraption that he kept by his bed.

https://www.newscientist.com/article/mg19726382-000-theatrophone-the-19th-century-ipod/