User Agent String.Com 

User Agent String explained :

Opera 10.00
Opera	Name : Opera
10.00	Opera version
Windows NT 5.1	Operating System: Windows XP
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
2.2.1	Presto version
First visit:	2009.04.11 02:39
Last visit:	2018.07.29 08:56
All Opera user agent strings