The Sony Ericsson Mix Walkman 3G mobile phone offers the very latest features for all you music fans including the "Zappin" key - more on this below.

The Sony Ericsson Mix Walkman was launched at the same time as the Sony Ericsson txt pro. O2 have been quick to post the Sony Ericsson Mix on their coming soon page. You can see a full specification for the Sony Ericsson Mix by clicking the link.

The most interesting features of the Sony Ericsson Mix Walkman 3G mobile phone are as follows :

- The Zappin key lets you play the chorus of a song, when searching for a song, by playing just the chorus. Hit the key again and it will play that track.

- With TrackID from Gracenote you can identify a music track by just recording a few seconds of it. The artist, song title and album title will be displayed.

- The Karaoke feature is very popular these days. The Sony Ericsson Mix Walkman Karaoke feature lets you sing along as the lyrics are displayed for you. A DIY Karaoke machine which can be used anytime for free. Whilst you sing a tune,  the real music vocals are lowered in volume to a level set by you.

- There's also all the usual suspects such as Wi-Fi, Touch UI, Google Talk, Media Go, Twitter, Facebook and an FM Radio. In addition it comes with a 3.2 mega pixel camera and a 3" touchscreen.

The Sony Ericsson Mix is due in Q3 this year ( July / August / September ) but no firm date or pricing has been confirmed.