Sony headphones are just as safe for hearing as any other type of headphone. It is not the headphones themselves that make them unsafe but the operation.
Sony headphones are very easy to clean because the material easy cleans.
SONY - WF-1000XM4 EARPHONES
The same port as the charger. Buy an adapter or Sony Ericsson (tm) Headphones.
Sony Lightweight headphones are the cheapest at $5.99. On the sony website. Also they are suppose to be good headphones. With a total of five star rating.
No it will damage your hearing
There are many places where one may purchase Sony MDR7506 headphones. "Amazon", "Guitar Center", and the "Sony" store itself are among the most popular places where consumers buy the headphones.
The headphones are only for music, not to read the book to you.
Sony MDR-7506 Headphones
The Sony Sony MDR-NC11 headphones are noise cancelling and have in-line volume controls located on the cord.
Sony Ericsson headphones can be bought at electronics brick and mortar stores like Future Shop or The Source. Alternatively, these headphones can be purchased from online resellers like Amazon.
MDR 7506 Sony headphones are fairly comfortable on your ears. They are fairly expensive, high-end headphones and thus demonstrate superior design and comfort.
One can find Sony Fontopia Headphones on Amazon but the better option would be to purchase them from the Sony store itself. Those are the main sources that can be found online.