Attention custom-made: An impression (earmould) from a hearing aid acoustician is required for the production of this in-ear headphones, which will incur additional costs. After your order has been received, you will receive an e-mail from our specialists with all the necessary information for further processing. The delivery time after receipt of the ear impression is approx. 3 - 4 weeks. Please note that, in accordance with our General Terms and Conditions §4 Para. 5, no money-back guarantee can be granted for custom-made products.