[
    {
        "role": "user",
        "content": "what%20is%20the%20email%20address%20to%20contact%20support%20for%20the%20YYK-520%20headset"
    },
    {
        "role": "assistant",
        "content": "You can contact support for the YYK-520 headset via this email:\n\n**after-service@kinganda.cn** ([manuals.plus](https://manuals.plus/m/82434240de870501736a3ce3c341f4b01973c149756a15bda7ebcf6a53e0e3af?utm_source=openai))\n\nIf you need help writing your message (what to include, etc.), I can help you draft it."
    },
    {
        "role": "user",
        "content": "I%20get%20a%20bounce%20back%20that%20is%20not%20right."
    },
    {
        "role": "assistant",
        "content": "If the email **after-service@kinganda.cn** bounces back, it might be outdated or incorrect. I found a different valid contact email you could try:\n\n**Technical / Manufacturer Contact:** 2880744768@qq.com ([fccid.io](https://fccid.io/2AOZM-YYK-520?utm_source=openai))\n\nYou also might want to verify seller-specific contact info, especially if you bought from Amazon or some retailer. If you like, I can help you draft a message to send, or find more direct support channels based on your purchase."
    },
    {
        "role": "user",
        "content": "I%20purchased%20from%20amazon%20yes"
    },
    {
        "role": "assistant",
        "content": "Since the direct manufacturer emails are bouncing back, your best bet is to go through Amazon\u2019s support and returns system. Here\u2019s how:\n\n---\n\n## Amazon Support Steps\n\n1. Go to **Amazon.com** and sign in.\n2. Click on **\u201cYour Orders\u201d**.\n3. Find your order for the YYK-520 headset.\n4. Click **\u201cGet product support\u201d**. ([digprjsurvey.amazon.co.uk](https://digprjsurvey.amazon.co.uk/csad/help/node/G94W2A3Y2Y6EQQPG?utm_source=openai))\n5. Choose whether you want a replacement, refund, or help with a defective item. ([digprjsurvey.amazon.co.uk](https://digprjsurvey.amazon.co.uk/csad/help/node/G94W2A3Y2Y6EQQPG?utm_source=openai))\n\n---\n\n## Other Options if Manufacturer Email Bounced\n\n- Use Amazon\u2019s **Contact Seller** option on the order page. The seller\u2019s email is often listed there.\n- Use the Help section: Amazon has options for 24/7 support by chat or phone. ([aboutamazon.com](https://www.aboutamazon.com/news/company-news/contact-amazon-customer-service?utm_source=openai))\n\n---\n\nIf you want, I can help you find the seller\u2019s email address or a valid contact from the manufacturer listed on Amazon (often in the product listing). Do you want me to dig that up for you?"
    },
    {
        "role": "user",
        "content": "yes%20look%20on%20amazon%20on%20how%20to%20contact%20the%20manufacture"
    },
    {
        "role": "assistant",
        "content": "Here\u2019s how you can find and use Amazon\u2019s tools to contact either the seller or the manufacturer of your YYK-520 headset:\n\n---\n\n## How to Contact the Seller on Amazon\n\n1. Sign into your account on Amazon.\n2. Go to **Your Orders**.\n3. Find your order for the headset.\n4. Click **\u201cProblem with order\u201d**, **\u201cContact seller\u201d**, or similar wording related to your issue. ([digprjsurvey.amazon.co.uk](https://digprjsurvey.amazon.co.uk/csad/help/node/GLC8ZMBWMBTR6QZZ?utm_source=openai))\n5. Fill out the form with your issue (defective, needs support, etc.) and send. Typically, sellers respond within **48 hours**. ([digprjsurvey.amazon.co.uk](https://digprjsurvey.amazon.co.uk/csad/help/node/GLC8ZMBWMBTR6QZZ?utm_source=openai))\n\n---\n\n## How to Contact the Manufacturer via Amazon\n\nIf the product is eligible, Amazon has an option for this:\n\n1. From **Your Orders**, look for your YYK-520 purchase.\n2. Click **\u201cGet product support\u201d** next to the item. ([digprjsurvey.amazon.co.uk](https://digprjsurvey.amazon.co.uk/csad/help/node/GPQGQ359NETH7HLD?utm_source=openai))\n3. If available, select **\u201cContact the manufacturer\u201d**. Amazon will provide you with the manufacturer's contact info. ([digprjsurvey.amazon.co.uk](https://digprjsurvey.amazon.co.uk/csad/help/node/GPQGQ359NETH7HLD?utm_source=openai))\n\n---\n\nIf neither of these options works (no seller reply, no product-support/manufacturer info), I can also help you escalate to getting a full refund through Amazon\u2019s A-to-Z Guarantee. Do you want help with that?"
    },
    {
        "role": "user",
        "content": "can%20you%20pull%20any%20more%20email%20addresses%3F"
    },
    {
        "role": "assistant",
        "content": "Here are some additional email addresses associated with the YYK-520 headset / its manufacturer that I found via FCC filings and other legitimate sources:\n\n---\n\n## \ud83d\udce7 Additional Emails for YYK-520 Manufacturer\n\n| Contact | Email Address | Role / Notes |\n|---|---|---|\n| Technical & Regulatory / Official Contact (KingAnDa) | 2880744768@qq.com | Listed as the technical contact for FCC ID filings by Shenzhen KingAnDa Technology Development Co. ([fccid.io](https://fccid.io/2AOZM-YYK-520?utm_source=openai)) |\n| Manufacturer\u2019s Main Email (KingAnDa) | applicant@kinganda.cn | Appears on device report listings for KingAnDa for the YYK-520 model ([device.report](https://device.report/shenzhen-kinganda-technology-development/yyk-520?utm_source=openai)) |\n| Customer Service Email | after-service@kinganda.cn | This is the one you already know, stated in the user manual for support-related issues. ([manuals.plus](https://manuals.plus/m/82434240de870501736a3ce3c341f4b01973c149756a15bda7ebcf6a53e0e3af?utm_source=openai)) |\n\n---\n\nIf any of those still bounce, try using the Amazon seller or manufacturer support tools. Want help writing an email to one of these addresses?"
    }
]