Please note: Custom-made product: An impression (ear mould) from a hearing aid acoustician is required to manufacture these in-ear headphones, which will incur additional costs. After we receive your order, you will receive an e-mail from our specialists with all the information you need for further processing. Please note that, in accordance with §4 (5) of our General Terms and Conditions, no money-back guarantee can be given for custom-made products.