Yes, several major electronic companies make a portable cassette player.
yes ,car cassette decks can record
Most cassette decks come with a recording option when you purchase them.
Yes most cassette decks will have no problem wiring into a new car.
Cassette decks are almost outdated. The only real thing they are good for now a days is if you have a portable dvd player and you want to hear the sound through your car speakers.
Yes, there are dual portable cassette players.
Yes, any standard set of headphones should plug into a portable cassette player.
Yes, there are portable cassette players with digital displays. Check online for the biggest selection.
Ion Tape2PC USB Cassette Deck is a water proof cassette decks for swimming
Pioneer CT-W606DR Double Auto-Reverse Cassette Deck are the cassette decks for cars
Magnavox, Philips and Sharp all make highly-regarded cassette decks.
They have very few cassette decks that they still produce.
No, portable cassette players do not skip.