PRIVACY POLICY

Last Updated: January 14, 2026

This Privacy Policy describes how kairossonic (operated by HONG HE WAN CO., LIMITED, “we”, “us”, or “our”) collects, uses, and discloses your personal information when you visit or make a purchase from our website.

1. PERSONAL INFORMATION WE COLLECT

When you visit the Site, we automatically collect certain information about your device, including information about your web browser, IP address, time zone, and some of the cookies that are installed on your device.

Additionally, when you make a purchase or attempt to make a purchase through the Site, we collect certain information from you, including:

  • Identity Data: Name, username, or similar identifier.
  • Contact Data: Billing address, shipping address, email address, and telephone numbers.
  • Financial Data: Payment card details (processed through secure third-party payment gateways).
  • Transaction Data: Details about payments to and from you and other details of products you have purchased from us.

2. HOW DO WE USE YOUR PERSONAL INFORMATION?

We use the Order Information that we collect generally to fulfill any orders placed through the Site (including processing your payment information, arranging for shipping, and providing you with invoices and/or order confirmations).

Additionally, we use this information to:

  • Communicate with you;
  • Screen our orders for potential risk or fraud; and
  • When in line with the preferences you have shared with us, provide you with information or advertising relating to our products or services.

3. SHARING YOUR PERSONAL INFORMATION

We share your Personal Information with third parties to help us use your Personal Information, as described above. For example:

  • We use service providers to power our online store.
  • We use Google Analytics to help us understand how our customers use the Site.
  • We may share your Personal Information to comply with applicable laws and regulations, to respond to a subpoena, search warrant or other lawful request for information we receive, or to otherwise protect our rights.

4. DATA RETENTION

When you place an order through the Site, we will maintain your Order Information for our records unless and until you ask us to delete this information.

5. YOUR RIGHTS

If you are a resident of certain jurisdictions (such as the EU or Hong Kong), you have the right to access personal information we hold about you and to ask that your personal information be corrected, updated, or deleted. If you would like to exercise this right, please contact us through the contact information below.

6. COOKIES

We use cookies to enhance your experience. You can choose to set your web browser to refuse cookies, or to alert you when cookies are being sent. If you do so, note that some parts of the Site may not function properly.

7. SECURITY

We value your trust in providing us your Personal Information, thus we are striving to use commercially acceptable means of protecting it. But remember that no method of transmission over the internet, or method of electronic storage is 100% secure and reliable, and we cannot guarantee its absolute security.

8. CHANGES

We may update this privacy policy from time to time in order to reflect, for example, changes to our practices or for other operational, legal or regulatory reasons.

9. CONTACT US

For more information about our privacy practices, if you have questions, or if you would like to make a complaint, please contact us by e-mail at service@kairossonic.com or by mail using the details provided below:

HONG HE WAN CO., LIMITED Attn: Privacy Compliance Officer ROOM 4, 16/F, HO KING COMMERCIAL CENTRE, 2-16 FAYUEN STREET, MONGKOK KOWLOON, HONG KONG