A chemical property is a characteristic of a pure substance that describes its ability to change into different substances. For example, a chemical property of methane is that it can catch fire and burn in air. Physical properties can be observed or measured without changing the composition of matter.
The downsides are obvious: Almost everyone has headphones, speakers, and other gadgets based on the ubiquitous 3.5 mm headphone jack. Eliminating this connection could render these devices unusable, or at least force everyone to carry around an extra adapter. But Apple doesnât care.
Obtain a cassette player with a Line Out of some sort. It can be RCA cables, or even a headphone jack, like on a Walkman. 2. Make sure you have a Line In somewhere on your computer, and see what type of plug it has. If it's a small hole, like a headphone jack, it will be 3.5mm (1/8 inches).