Phonak Virto B-Titanium User Manual page 21

Warranty limitation
This warranty does not cover damage from improper
handling or care, exposure to chemicals or undue stress.
Damage caused by third parties or non-authorized service
centers renders the warranty null and void. This warranty
does not include any services performed by a hearing care
professional in their office.
Serial number
(left side):
Serial number
(right side):
Date of purchase:
Authorized hearing care
professional (stamp/signature):
22