Hello, thank you for your suggestion, on the basis of which the supplier contacted us and would like to respond below.
"Hello, we apologize for the inconvenience. This is an unusual product behavior. To remedy the situation, the supplier has asked that you contact their customer service department at
[email protected]. They will resolve the complaint with you by sending you a new product. "
Please do not hesitate to contact us in case of need. Thank you and have a nice day, Ondřej - Alza expert