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For purchase of the defected products, new replacement in exchange for defected products is available only at any distributors Vonia Corp. authorized.

The warranty is valid for one year from the date of purchase when used under normal condition. After warranty period is expired , the fee for needed parts or technological service is charged

when a product is used outside the range of warrenty.
when a product is disassembled at user's discretion.
when a product is used with an unstable power source without protecting variation of voltage.
in case of misuses of product by user.
in case of the tampering with the elements within the headphone.