The date code of your product designates its date of manufacture, and it can be used to establish your warranty period. The date code is generally listed with your product’s model and part number, although this is not always the case.
Date code locations for Cordless & Wireless headset systems are below.
CS50 / CS60
Date Code - Bottom of base begins with letter "B"
CS55
Date Code - Bottom of base begins with letter "B"
CS351/N & CS361/N
Headset - Date Code - Under the cushion on the side w/microphone.
Base - Date Code - Bottom of base begins with letter "B"
CS50-USB/CS60-USB
Date Code - Bottom of base begins with letter "B"
CA10/CS10
Date Code - White label on the bottom of the charging base.
CS70/CS70N
Date Code Bottom of the base begins with the letter "B".
Voyager 510s
Date Code - Bottom of base begins with letter "B"
Calisto Pro
Click Here - Bottom of base begins with letter "B"
If you are unable to find your date code, please contact Technical Support. A dated proof of purchase can also be used to establish your warranty period.
or Click Here for other product date code locations.


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