Until now, Sony Ericsson has developed perhaps one of the ... The features I MUST have and found in the w810i. MP3 Player: Optional dedicated and seamless with phone. Sound quality as good as ...

The k550i phone from Sony Ericsson is literally a Sony Ericsson w810i minus the dedicated walkman player, and that is a good thing. The phone is lighter and thinner, and built very well with no ...