The detailed parameters of Nokia 8820 are as follows:

1.2.0inch, 260k QVGA ;
2.  English, chinese
3. E-book
4 3.0  Mega pixel camera for Picture & Video capability,put out biggest size is 640*480
5. Stereo Loud speaker, 64 chord ring tone
6. MP3 & MP4 player
7. GPRS & WAP connectivity, MMS Transceive
8. U disk support function to keep the information storage
9.. Bluetooth
10.FM stereo,play music with earphone 
11.calendar,To do list,Alarm,World Clock,Spotwatch
12.caller picture
13. Telephone directories:300groups of contacts,  an Messages &Multimedia messaging: 100 SMS, support MMS; can use downloaded MP3 as SMS rings
14. Schedule power on/off: support to start/close under set time
15. Alarm clock: 5groups, support alarm
16 More information: MP3, MP4, Handsfree, SMS group sending, Voice recorder, WAP, , Bluetooth, GPRS download, MMS, Memory extended, IP dialing, self-designed ringtones, photo editor, alarm clock, calculator, notepad, .....