Last Updated Date: January 28, 2026
Effective Date: January 28, 2026
Welcome to the ddHiFi official website (hereinafter referred to as “this Website”). ddHiFi (hereinafter referred to as “we”) fully understands the importance of your personal information, and your trust is the foundation of our development. We always adhere to the principles of legality, propriety, necessity, and transparency, and strictly protect the security and legitimate rights and interests of your personal information in accordance with the requirements of relevant laws and regulations, including The Civil Code of the People’s Republic of China, The Personal Information Protection Law of the People’s Republic of China, and The Cybersecurity Law of the People’s Republic of China.
This Privacy Policy aims to inform you about how we collect, use, store, and protect your personal information, as well as the rights you are entitled to. Please carefully read and fully understand all contents of this Policy before accessing and using this Website. By accessing, browsing, or using this Website, you acknowledge that you have fully understood and agreed to all provisions of this Policy. If you do not agree to this Policy, please do not use this Website.
1. Definitions
1.1 Personal Information: Refers to various information recorded electronically or by other means that is related to an identified or identifiable natural person, excluding information that has undergone anonymization processing.
1.2 Sensitive Personal Information: Refers to personal information that may easily lead to infringement of a natural person’s dignity or endanger personal or property safety if leaked or illegally used, including mobile phone numbers, ID card numbers, bank account information, precise location information, etc.
1.3 Anonymization Processing: Refers to the process of processing personal information such that the specific natural person cannot be identified and the information cannot be restored.
1.4 Third-Party Services: Refers to various services provided by third parties other than us, such as websites, applications, and payment channels.
2. Scope of Application
This Policy applies to your personal information collected and processed by us when you engage in various activities through this Website (including but not limited to the homepage, product display pages, online mall, member center, and consultation message section), such as visiting, browsing, registering, purchasing, and consulting.
Please note that this Policy does not apply to the following situations:
2.1 Information collected by third parties through services or links provided on this Website; such information processing shall be governed by the third party’s privacy policy;
2.2 Various public information posted by you through this Website, such as product reviews and forum comments;
2.3 Situations otherwise specified by laws and regulations.
3. How We Collect and Use Your Personal Information
We only collect and use your personal information within the necessary scope for the purposes stated in this Policy. Without your explicit consent, we will not collect or use your personal information beyond the stated purposes.
3.1 Personal Information You Voluntarily Provide
· Registration and Login: When registering a member account on this Website, you need to provide your mobile phone number and set a password yourself. If you choose to log in through a third-party account (such as WeChat or QQ), we will obtain basic information authorized by you on the third-party platform (such as nickname and avatar) to complete login verification. The processing of such information shall comply with the third-party platform’s privacy policy.
· Online Purchases: When purchasing products through this Website online, to fulfill the order, you need to provide information such as the recipient’s name, mobile phone number, delivery address, and postal code; if you choose online payment, you also need to provide payment-related information (such as bank card number and payment platform account information). Such payment information will be directly processed by third-party payment institutions, and we only obtain payment result information to confirm the order status.
· Consultation and After-Sales Services: When communicating with us through functions such as consultation messages, online customer service, and after-sales service applications on this Website, you may need to provide information such as your name, mobile phone number, product model, and order number to enable us to accurately answer your questions and handle after-sales needs (such as returns, exchanges, and repairs).
· Participation in Activities: When participating in marketing activities organized by this Website (such as lucky draws, questionnaires, and new product trials), you may need to provide information such as your name, mobile phone number, and address in accordance with the activity requirements, so that we can contact you, deliver prizes, or collect activity feedback.
3.2 Personal Information We Automatically Collect
When you visit and browse this Website, we will automatically collect certain non-personally identifiable information through Cookies and similar technologies to optimize the website experience and analyze access data. Specifically, this includes:
· Device Information: Such as your device model, operating system version, browser type, and unique device identifier.
· Access Information: Such as your IP address, access time, visited pages, browsing history, click records, and stay duration.
· Network Information: Such as your network type and network status.
You can disable Cookies through browser settings, but this may affect the normal use of some functions of this Website.
3.3 Purposes of Information Use
The personal information we collect will be used for the following purposes:
· To provide you with core website services, such as account management, product display, order processing, and consultation and after-sales services;
· To optimize website performance and user experience, and adjust website layout and improve function design based on access data;
· To send you product information and marketing activity notifications (you can opt out by accessing the member center or contacting customer service if you do not wish to receive such communications);
· To ensure website security and prevent illegal and irregular activities such as fraud and account theft;
· To fulfill obligations specified by laws and regulations, or respond to legal disputes and administrative supervision requirements.
4. How We Entrust, Share, Transfer, and Publicly Disclose Your Personal Information
4.1 Entrusted Processing
To improve service efficiency, we may entrust third-party service providers to process part of your personal information (such as logistics and distribution, payment settlement, customer service outsourcing, and data analysis). We will sign a strict entrustment agreement with the entrusted party, specifying the scope, purpose, and security responsibilities of processing, and supervise the entrusted party’s information processing activities. The entrusted party shall not process your personal information beyond the entrusted scope.
4.2 Sharing
We will not take the initiative to share your personal information with any third party except in the following circumstances:
· With your explicit consent or authorization;
· To fulfill obligations specified by laws and regulations, or respond to legitimate requests from judicial authorities and administrative supervision departments;
· To protect your legitimate rights and interests, our legitimate rights and interests, or public interests, within a necessary and reasonable scope;
· To share with our affiliated companies (refers to enterprises directly or indirectly controlled by us, jointly controlled with us, or over which we exercise significant influence). Information sharing is only for the purpose of providing you with consistent services, and we will require affiliated companies to comply with the relevant provisions of this Policy.
4.3 Transfer
We will not transfer your personal information to any third party except in the following circumstances:
· With your explicit consent;
· Due to business adjustments such as enterprise merger, division, acquisition, restructuring, or bankruptcy liquidation. In such cases, we will clearly inform the transferee of the relevant information processing obligations and require the transferee to continue to comply with this Policy to ensure the security of your information.
4.4 Public Disclosure
We will only publicly disclose your personal information with your explicit consent or as otherwise specified by laws and regulations. When making a public disclosure, we will take reasonable measures to protect the security of your personal information.
5. How We Protect Your Personal Information
We attach great importance to the security of your personal information and adopt a variety of technical and management measures to ensure information security:
5.1 Technical Protection: Adopt encryption technologies (such as SSL encryption) to protect data during transmission, use firewalls, intrusion detection systems, etc., to prevent network attacks, and conduct regular security testing and upgrades of the system;
5.2 Management Protection: Establish strict information security management systems, clarify the information security responsibilities of each position, provide information security training and assessments for employees, restrict information access permissions, and only authorize necessary personnel to access personal information;
5.3 Emergency Response: Formulate an emergency plan for personal information security incidents. In the event of a security incident such as information leakage or loss, we will immediately activate the emergency plan, take remedial measures, and promptly inform you in accordance with the requirements of laws and regulations.
Please note that the internet environment is inherently uncertain. Although we have adopted strict security measures, we cannot fully guarantee the absolute security of information transmission. Please properly keep your account password and other identity credentials to avoid information leakage due to your own reasons.
6. Your Rights
In accordance with relevant laws and regulations, you are entitled to the following rights regarding your personal information:
6.1 Right to Know: You have the right to know how we collect, use, and store your personal information;
6.2 Right to Access: You have the right to query your personal information through the member center on this Website or by contacting customer service;
6.3 Right to Correction: If you find that your personal information is incorrect or incomplete, you have the right to request us to correct or supplement it;
6.4 Right to Erasure: Under circumstances specified by laws and regulations, you have the right to request us to delete your personal information (such as when the purpose has been achieved or you withdraw your consent);
6.5 Right to Withdraw Consent: You have the right to withdraw your consent to the processing of your personal information, but such withdrawal shall not affect the legality of information processing activities conducted by us based on your prior consent;
6.6 Right to Cancel Account: You have the right to apply for the cancellation of your member account by contacting customer service. After account cancellation, we will stop collecting and using your personal information and delete the relevant information within a reasonable period (except as otherwise specified by laws and regulations);
6.7 Right to Complain and Report: If you believe that our information processing activities violate laws and regulations or this Policy, you have the right to complain and report to us or the regulatory authorities.
To exercise the above rights, please contact us through the methods specified in “9. How to Contact Us” of this Policy. We will review and respond to your request within the time limit specified by laws and regulations after receiving it.
7. How We Process Children’s Personal Information
Our products and services are mainly targeted at adults. If you are a child under the age of 14, you must use this Website under the accompaniment of your parents or other guardians, and the guardians shall provide personal information on your behalf.
If we discover that we have inadvertently collected personal information of children, we will immediately stop collecting and using it, promptly delete the relevant information, and inform the children’s guardians. If a guardian finds that we have collected personal information of a minor, they may contact us through the contact information specified in this Policy to request the deletion of the relevant information.
8. How Your Personal Information is Transferred Globally
The personal information we collect is mainly stored within the territory of mainland China. If it is necessary to transfer personal information overseas due to business needs, we will strictly comply with the relevant provisions of the Personal Information Protection Law, obtain your explicit consent in advance, ensure compliance with the statutory conditions for cross-border transfer, and take security protection measures such as encryption and signing data processing agreements to ensure the security of your personal information.
9. Updates to This Policy
This Policy may be adjusted due to updates to laws and regulations and business development. We will publish the updated Privacy Policy in a prominent position on this Website (such as the homepage announcement bar) and mark the “Last Updated Date” and “Effective Date”.
If the updated Policy involves significant changes to your rights and interests, we will separately notify you through pop-ups, text messages, emails, or other means. Please regularly pay attention to the updated content of this Policy. Your continued use of this Website shall be deemed as acceptance of the updated Policy.
10. How to Contact Us
If you have any questions, suggestions, or need to exercise relevant rights, complain, or report, you can contact us through the following methods:
Official Email: support@ddhifi.com
We will process and respond to your feedback within 15 working days after receiving it.
11. Miscellaneous
The interpretation of this Policy shall be the sole responsibility of ddHiFi. If there is any conflict between this Policy and relevant laws and regulations, the provisions of the laws and regulations shall prevail.
