Logitech OB450 REVISED EDITION-B manuale d’uso download
- Logitech OB450 REVISED EDITION-B manuale d’uso download
Italiano 
- Bedienungsanleitung Logitech OB450 REVISED EDITION-B
- Logitech OB450 REVISED EDITION-B manual
- Mode d'emploi Logitech OB450 REVISED EDITION-B
- Инструкция по эксплуатации Logitech OB450 REVISED EDITION-B
- Manuale d'uso Logitech OB450 REVISED EDITION-B
- Manual de instrucciones Logitech OB450 REVISED EDITION-B
- Manual de uso Logitech OB450 REVISED EDITION-B