Drivers for speakers or headphones.
Whereever you want. A better question might be WHY would you put magnets on your head? (Headphones or ear buds or other personal listening devices typically contain small magnets, so that might be one answer.)
Steel is a magnet material, but not all metals are magnetic, like Aluminum.
you can use magnets to separate iron from sand.
"The program allows the user to change speech to text. You do not need headphones to use Dragon NaturallySpeaking. However, if you do not use headphones it will require you to use a microphone."
Some of the water heaters uses magnets. Magnets softens the water.
Your headphones can get ruined if you use them in the rain only if they get in contact with the water.
Headphones do not use batteries, they use a power source such as an iPod or mobile phone.
they use magnets to concentrate energyto them
A vacuum does not 'use' magnets. However magnets and a vacuum are used in conjunction in several applications. particle accelerators for example.
As long as your computer has a sound care, you can use headphones while on it. Just plug the headphones in the the red/pink input on the soundcard.
The headphones are only for music, not to read the book to you.