[Your Name]
[Your Address]
[City, State, ZIP Code]
[Email Address]
[Phone Number]

[Date]

[Recipient's Name]
[Company Name]
[Address]
[City, State, ZIP Code]

Dear [Recipient's Name],

I am writing to express my dissatisfaction with a product I recently purchased from your company. On [date of purchase], I bought a [product name] from [store name]. Unfortunately, I have encountered several issues with the product, making it unusable.

The main problem I have encountered is [describe the main issue with the product]. Additionally, [mention any other issues you have faced with the product]. I have tried troubleshooting the product following the instructions provided, but the issues persist.

I am disappointed with the quality of the product as I had high expectations from your company. As a loyal customer, I believe that this level of performance is unacceptable. I would like to request a replacement product or a full refund for my purchase.

Enclosed with this letter are copies of the receipt and any other relevant documentation. I would appreciate it if you could address this matter promptly and provide a resolution as soon as possible.

I look forward to your prompt response and a satisfactory resolution to this issue. Thank you for your attention to this matter.

Sincerely,

[Your Name]
Produkt: Herní klávesnice
Datum nákupu: Červenec 2020
Vážený/á [Příjemce],

píšu vám, abych vyjádřil/a své nespokojenosti s produktem, který jsem zakoupil/a ve vašem obchodě dne 20. července.