Помогите.Срочно!!!!You bought an mp3 player at an online store and it is not working properly. You have the guarantee of the product. Write a letter of complaint to the store, in which you will explain when and where you bought the product describe the problem in detail and ask for a replacement or a refund.Пример:​

Dear Sir/Madam,I am writing to complain about the mp3 player that I purchased from your online store on [date of purchase]. The order number is [order number].Unfortunately, the mp3 player is not functioning properly. It is unable to play any songs and keeps freezing when I try to use it. I have tried to reset it and have even tried to use different headphones, but the problem persists.As the product is still under warranty, I kindly request that you replace the product or offer a refund. I believe that this is a fair request, as the product is not in good working condition and I was looking forward to using it.I hope that this issue can be resolved as soon as possible. I would appreciate your prompt attention to this matter.Thank you for your attention to this matter.Sincerely,[Your Name]