The V640i is a stylish 3G mobile phone which comes in a user friendly handset. The Sony Ericsson V640i is a Vodafone exclusive mobile phone. The handset is available in two colours which include a stylish quick black coloured casing or a havana gold coloured casing which is extremely distinctive & eye catching colour. The phone comes with a colourful TFT screen which has a screen resolution of 176 x 220 pixels & displays up to 262k colours. The V640i comes with a neat & well spaced keypad complete with easy to use navigation key. The Sony Ericsson V640i is from the same family as the Sony Ericsson V630i which is also a Vodafone exclusive handset. The V640i is easy to carry which measures 103mm by 47mm by 15.5mm & weighs a total of 97 grams.

The built in music player comes with easy to use music features which allow the user to manage & play their music easily. The phone comes with a media management CD included in the start up kit which will assist the user when managing their music, video or even photos. The phone supports Bluetooth™ Stereo A2DP which allows the user to enjoy a wireless connection between their V640i & their Bluetooth compatible headset. The Sony Ericsson V640i comes with a built in FM radio complete with RDS which allows the user to read information sent from the radio station whilst listening to their favourite music or chat show. The phone supports PlayNow™ music download which allows the user to quickly & easily download new music onto their V640i. The TrackID™ feature is a music recognition feature which allows the user to record a few seconds of music which they like the sound of & TrackID™ will let the user know the name of the song, the performing artist or group name & the name of the album. The TrackID™ music feature is powered by Gracenote & has become a well talked about music feature to have on a mobile phone.