User Agent String.Com 

User Agent String explained :

Opera 10.00
Opera	Name : Opera
10.00	Opera version
Windows NT 6.0	Operating System: Windows Vista
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
2.2.2	Presto version
First visit:	2009.04.25 01:42
Last visit:	2018.07.28 04:51
All Opera user agent strings