Hello, thank you for your feedback. Our supplier has contacted us based on it and would like to respond below.
"We would like to ask you to specify which devices you were charging and at what speed. Could you please contact us at our support email,
[email protected], where we would be happy to resolve any potential claim with you by sending a new product."
Should you need anything, please do not hesitate to contact us. Thank you and have a nice day, Ondřej - Alza expert