Nokia 5310

The Nokia 5310 is an XpressMusic mobile phone, released in the fourth quarter of 2007. It is less than a centimeter thick and is available with blue, red, purple, pink, orange, silver or black trim, the main body also being available in grey, black or white. It is currently available in the U.S. through T-Mobile and in Canada through Rogers, In the UK Through Vodafone, o2, Orange and T-Mobile. It features many music specific features as well as a 2 Megapixel camera. It is one of few mobile phones measuring less than 1cm thick, at 9.9mm.
As a pda:-

The phone has basic organizer functions including a calendar, to-do list, and notes. All of these plus the phonebook can be synchronized with a desktop calendar such as iCal over Bluetooth. As a music-oriented phone, it comes with a dedicated audio chip, which delivers better audio quality, as well as 3 music buttons, Play, Next Track and Previous Track. These buttons can activate the music player on the phone during almost all other activities, such as sending text messages and changing settings.. The 5310 also has WAP 2.0/xHTML, as well as HTML capabilities