We’re always happy to help! If you need assistance with your DUNU product, have questions about your order, or require warranty support, you can reach our customer support team in the following ways: Email Support • Email: support@dunutopsound.com(support@dunutopsound.com) • Please include the following information (if applicable) to help us assist you faster: • Your full name • Order number or proof of purchase • A description of the issue • Photos or short videos (if there’s a product defect or damage) We aim to respond to all inquiries within 1–2 business days. Official Website You can also submit your inquiry directly through our website: 👉 https://www.dunu-topsound.com/contact Social Media (Non-urgent Support) For general questions, announcements, and community discussions, feel free to message us or comment on our official pages: • Facebook(https://www.facebook.com/DUNUTopSound) • Instagram(https://www.instagram.com/dunu_official) • X (Twitter)(https://twitter.com/DUNU_Official) Tip: For warranty or technical issues, please contact us via email instead of social media to ensure your case is properly documented and handled by our technical support team.

We accept all major credit cards supported by Stripe'(https://stripe.com/)s secure checkout process, including American Express, Mastercard, and VISA. You will charged only as the order is processed by Stripe. We will only ship to confirmed addresses. Additionally, we also accept Klarna'(https://www.klarna.com/)s Pay in 4 as a Buy Now, Pay Later (BNPL) payment option. Choose Klarna (https://www.klarna.com/)on checkout. For manual invoice processing, we additionally offer payment via PayPal.(https://www.paypal.com/) Please note that for us to accept processing via PayPal, your account should be fully verified. Please contact us via messaging or support (mailto:support@dunutopsound.com)if you have a special order that requires manual processing. If your debit or credit card is rejected, please contact us for troubleshooting, and contact your bank to understand what went wrong. Please check whether your card is configured properly for international payments, as our payments acceptance service is based in the US.

We have found a number of counterfeit products and even spoof sites for DUNU products and accessories. While there are many retail and grey market destinations to purchase genuine DUNU products, please refer to our list of authorized dealers and distributors ()(active since 2018) for the definitive list of authorized retailers. If you have concerns about whether your source is genuine, please contact us.(mailto:support@dunutopsound.com)

Direct shopping from DUNU is available here.(https://www.dunu-topsound.com/category/all-products) If you cannot find something on our website, please do not hesitate to message us or contact our support (mailto:support@dunutopsound.com)by e-mail.

We greatly appreciate your interest in reviewing DUNU products! If you are a reviewer, journalist, or represent an online or print publication, please reach out to us directly via email so we can learn more about your platform and discuss potential collaboration opportunities. Contact us at: support@dunutopsound.com() When reaching out, please include the following details to help us review your request efficiently: • Your full name and media outlet or platform name • Links to your publication, website, or social media channels • A brief overview of your audience or content focus • The product(s) you’re interested in reviewing Our team will review your request and get back to you as soon as possible with the next steps.