Privacy Policy

LuckRing ("LuckRing" or "we") is committed to protecting the privacy of its users ("you"). LuckRing hereby reminds users to carefully read and fully understand the provisions of this Policy, especially the provisions that exempt or limit LuckRing's liability, limit LuckRing's functions, restrict users' rights, and specify jurisdiction and applicable law. To draw your attention to limitations, exclusions, and other matters related to your rights and interests, these terms may be highlighted in bold.
To better protect your information and explain how we collect and use your information, we have formulated this LuckRing Privacy Policy. Please read it carefully and decide whether to accept it. Minors should read this Policy with the assistance of a guardian. By agreeing to the LuckRing Service Agreement, you agree that we may collect, store, use, and share your information in accordance with this Policy. Unless you have read and accepted all terms of this Policy, you are not entitled to use LuckRing products and services.

Privacy Policy

We take your privacy very seriously. In some cases, we need certain information in order to provide you with the services you request. This Privacy Policy explains how data is collected and used in these circumstances.
This Policy applies to all services related to LuckRing products. As the scope of LuckRing products and services expands, the contents of this Privacy Policy may be updated by LuckRing at any time without prior notice. The updated Privacy Policy will take effect and replace the original Privacy Policy once it is published on the website.

What Information We Collect

In general, you may access LuckRing anonymously and obtain information. When we need personal information that can identify you or allow us to contact you, we will ask for your consent.
In general, when you register for a LuckRing product account or request a new feature, we may collect the following information to make your exercise data more accurate: name, email address, gender, height, weight, and age, and we will ask for your confirmation.

About Your Personal Information

LuckRing strictly protects the security of your personal information.
We use various security technologies and procedures to protect your personal information from unauthorized access, use, or disclosure.
LuckRing may disclose your personal information when required by law, in accordance with the terms of service or software license agreement for LuckRing products, or when we have sufficient reason to believe that such disclosure is necessary to:
(a) comply with express requirements of laws or administrative regulations, or comply with legal procedures applicable to LuckRing products;
(b) comply with the LuckRing Terms of Service and Software License Agreement;
(c) protect the rights or property of LuckRing;
(d) protect the personal safety of LuckRing employees, users of LuckRing products or services, or the public in an emergency.
LuckRing will not share this information with third parties without your permission, except for the circumstances described above in this Policy.

Use of Cookies

Cookies can help personalize your online experience. You may accept or reject cookies. Most web browsers automatically accept cookies, but you can usually modify your browser settings to reject cookies according to your needs.
LuckRing may use cookies to understand which websites are popular so that we can provide better services when you visit LuckRing. Cookies do not track personal information.
When you register with LuckRing, LuckRing may also use cookies. In this case, we collect and store useful information so that we can identify you when you visit LuckRing again. Cookies from LuckRing can only be read by LuckRing.
If your browser is set to reject cookies, you will still be able to access most LuckRing features.

Use of Permissions

1. Phone-related permissions: Smart watches need to receive incoming calls, make calls, provide missed-call reminders, and display caller names. Therefore, we need to use the READ_CALL_LOG and PROCESS_OUTGOING_CALLS permissions. Otherwise, these functions cannot be implemented. We will not collect users' phone-related information, so please feel free to use the app.
2. Location-related permissions: Sports features in the app use map positioning, and weather information also requires location. Therefore, ACCESS_FINE_LOCATION and ACCESS_COARSE_LOCATION permissions are required. We will not collect users' location-related information, so please feel free to use the app.

Use of Third-Party SDKs

1. AMap: We integrate AMap 3D Map SDK (com.amap.api:3dmap), mainly for displaying maps during exercise, recording exercise routes, and providing positioning services during exercise. We do not collect users' location information or other user data.
2. AMap Open Platform Privacy Policy: https://lbs.amap.com/pages/privacy/

Data Retention

We retain your personal information only for the period necessary to fulfill the purposes described in this Privacy Policy, determining specific retention periods based on data type, purpose of use, and applicable laws and regulations.
1. Account and Basic Profile Information
We retain information associated with your account—such as account identifiers, login details, nicknames, profile pictures, and personal information you have voluntarily provided—for as long as your account remains active.
2. Health and Activity Data
Health and activity data generated or synchronized via [LuckRing]—such as step counts, sleep data, heart rate, blood oxygen levels, stress levels, exercise records, and device measurement logs—are retained for the duration of your account's existence to provide you with historical trends, data synchronization, health analysis, and device-related services. Once you voluntarily delete relevant records or request account deletion, we will delete or anonymize the associated data in accordance with this policy. If certain data is stored solely on your mobile phone, wearable device, or other local device, you can delete it by using the in-app data deletion function, clearing app data, or uninstalling the app. Uninstalling the app does not automatically delete data already synchronized to the server; to delete data from the server, please submit a request following the "Data Deletion Process" below.

Data Deletion Process

I. Submit a deletion request via the app
You can proceed as follows:
[LuckRing] → [Me] → [More] → [Delete Account]. Upon confirmation, the data on the server will be deleted immediately.