Dear Customer, The serial number can be found either on the Registration Form or on the small barcode label attached to the back or bottom part of your product.
The serial number starts with a letter and is followed by a string of numbers.
** To register more than one product, please separate the individual serial numbers with a comma and do not add any additional spaces. Example: G12345689,G987654321.
* please insert name of country and of store
The warranty for your product will only become effective if all of the above blanks are completed. For your convenience, you may also register via fax or or regular mail to:
FOR CUSTOMERS IN NORTH AMERICA:Cardo Systems, Inc.100 High Tower Blvd.Pittsburgh, PA 15205 (USA)
FOR INTERNATIONAL CUSTOMERS: Cardo Systems, Inc.1 Hohenlindenerst.D - Munich 81677 (Germany)