The MUZIK headphones have a unique serial number which is located on the inner side of the left ear cup.
To view the serial number, pull up on the inner left ear cushion to locate the serial number.
To ensure you have purchased authentic product from MUZIK, the headphones will always have a serial number to aid in verifying it is authentic product. Currently the only way to purchase MUZIK products is by buying from us directly here on our muzikconnect.com website.
When in doubt please contact MUZIK Concierge Support before making any purchase as we are happy to assist you with any questions.