User Agent String.Com 

User Agent String explained :

Opera 9.70
Opera	Name : Opera
9.70	Browser version
Linux i686	Operating System: Linux running on a Intel Pentium Pro CPU
U	Security values: N for no security U for strong security I for weak security
en	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) en = English
Presto	Layout engine for Opera
2.2.0	Version 2.2.0
First visit:	2009.03.06 04:28
Last visit:	2009.10.06 05:29
All Opera user agent strings