Most MP3 players come with a set of headphones and these most likely take on the ear bud form factor. It's usually all pretty vanilla in flavor with nothing new to offer. Not Samsung, though. Yes, the headphones provided are earbuds, but conventional they most certainly are not.
These have got to be the strangest earphones I have ever seen in my life. They have a rubber protrusion that contorts and twists in one direction. It's not immediately intuitive how you should go about putting these in your ears. As I understand it, this design is meant to channel the sound from the speaker into your ear, while providing as much rubbery comfort as possible. The sound quality was good, but in the end, I went with my own pair of aftermarket earphones for most of this review. I didn't like the size of the provided pair.
User Interface & Usability
Navigating through your playlists and selecting songs is very much the same as most other players that are based on the whole Windows Media Player interface. You cannot create custom playlists on the fly -- you have to make these beforehand and send them over at .m3u files -- but you can choose your music based on artist, album, genre, and so forth.
Getting your way through the different options is fairly intuitive, but I would have liked the ability to use the YP-K5 as a basic USB Mass Storage device. Unfortunately, this is seemingly not possible and the only way to push tracks around is through the included Samsung Media Studio software. You can probably synchronize through WMP as well, but Mass Storage would have been excellent. The menu is straightforward enough with Now Playing, FM Radio, Photo Viewer, and so on.
If you have the Samsung YP-K5 in its closed position, then the sound is automatically output to the headphone jack. When you slide out the speaker, the sound stops getting output through the headphone jack automatically, transferring over to the speaker. This is pretty handy, because you obviously aren't listening through your earphones if you have the speaker exposed.
On a side note, you will need something plugged into the headphone jack in order to use the FM radio, because it uses the wire from the headphones as an antenna.