We are sorry to hear that your Libratone Product is not working as it should.
A warranty claim is always made at the place of purchase, i.e. the company with which you, the consumer, have a contract. Kindly remember to present your proof of purchase at time of your claim.
If you have purchased at Libratone's webshop, kindly complete our contact form as detailed as possible. Remember to attach copy of your proof of purchase.