Privacy Policy
(This agreement was released on June 1, 2023 and updated on June 15, 2023)

respected user!

This product (Battery Monitor) is a mobile application service platform provided by Shenzhen Legend Optoelectronics Co., Ltd. (hereinafter referred to as "we")

We are well aware of the importance of personal information to you, and will do our best to protect your personal information safe and reliable. We respect and protect the privacy of all users who use the service. However, we will treat this information with a high degree of diligence and prudence. Except as otherwise provided in this Privacy Policy, we will not disclose or provide this information to third parties without your prior permission. We will update this Privacy Policy from time to time. When you accept the contract for using our service, you are deemed to have accepted the entire content of this privacy policy. This privacy policy is an integral part of our service use agreement.

scope of application

(a) When you register our account, the personal registration information you provide according to our requirements;
(b) When you use our network services or visit our platform web pages, we automatically receive and record information on your browser and computer, including but not limited to your IP address, browser type, language used , access date and time, software and hardware feature information, and web page records you need and other data;
(c) User personal data obtained from business partners through legal channels. You understand and agree that the following information does not apply to this Privacy Policy:

(a) Keyword information you enter when using the search service provided by our platform;

(b) The relevant information and data we have collected from you posted on us, including but not limited to participation in activities, transaction information and evaluation details;

(c) Acts that violate the law or violate our rules and the measures we have taken against you.

use of information

(a) We will not provide, sell, rent, share or trade your personal information to any unrelated third party, unless you have obtained your permission in advance, or the third party and us (including our affiliates) provide you with service, and upon termination of such service, it will be barred from accessing all such materials, including all such materials to which it was previously able to access.
(b) We also do not allow any third party to collect, edit, sell or disseminate your personal information by any means. If any user of our platform engages in the above activities, once discovered, we have the right to immediately terminate the service agreement with the user.

information disclosure

Under the following circumstances, we will disclose your personal information in whole or in part according to your personal wishes or legal provisions:

(a) with your prior consent, to third parties;
(b) In order to provide the products and services you requested, it is necessary to share your personal information with third parties;
(c) According to the relevant provisions of the law, or the requirements of administrative or judicial agencies, disclose to third parties or administrative or judicial agencies;
(d) If you have violated relevant Chinese laws, regulations or our service agreement or related rules, you need to disclose it to a third party;
(e) If you are a qualified intellectual property complainant and have filed a complaint, you should disclose it to the respondent at the request of the respondent so that both parties can handle possible rights disputes;
(f) In a transaction created on our platform, if any party to the transaction fulfills or partially fulfills its transaction obligations and requests information disclosure, we have the right to decide to provide the user with the necessary information such as the contact information of the counterparty to the transaction, To facilitate the completion of transactions or the resolution of disputes.
(g) Other disclosures that we deem appropriate in accordance with laws, regulations or website policies.

Information Storage and Exchange

The information and materials we collect about you will be stored on the servers of us and/or its affiliates, and these information and materials may be transmitted to your country, region or outside the place where we collect information and materials and be accessed abroad , storage and display.

Third-party SDK instructions

1. Umeng Statistical Service
1. Collection of personal information fields

In order to ensure the realization of relevant functions of Battery Monitor and the safe and stable operation of the application, we may access the software development kit (SDK) provided by a third party to achieve relevant purposes. We will conduct strict security checks and monitoring on the software tool development kit (SDK) used by our partners to obtain information to protect data security. The specific use will be described in the following list:

1. Android Support Library Compat SDK

Purpose of use: for selecting downloading pictures

Data type: get SD card data

Official website link:

2. Umeng SDK

Purpose of use: Statistical analysis, message push

Data Type: Device Identification Information

Special note: The product integrates Youmeng+SDK and push channel SDK (such as Xiaomi, Huawei, oppo, vivo, Meizu, etc.), and the push channel SDK needs to collect and collect device identifiers (IMEI/MAC/Android ID/IDFA/OpenUDID/GUID/ SIM card IMSI information, etc.), used to uniquely identify the device, so as to push messages to the user device. Collect geographical location to identify push channels and improve the regional coverage of message push

Official website link:

3. Netease Qiyu SDK

Purpose of use: for user online chat system

Data Type: Device Identification Information (IMEI/Android ID/IDFA)

Official website link:

4. Gaode SDK

Purpose of use: positioning address encoding and reverse encoding

Data Type: GPS Address

Official website link:

5. Google API SDK

Purpose of use: for Google login and Google Map

Data type: Device identification information (IMEI/MAC/Android ID/IDFA/OpenUDID/GUID/SIM card IMSI information, etc.) GPS address

Official website link:

2. Authorization of personal information

Permissions and uses are as follows:


Detect the networking mode, avoid data transmission when the network is abnormal, and save traffic and power.


Obtain the IMEI of the user's device, and uniquely identify the user through the IMEI, so as to provide statistical analysis services.


Obtain the WIFI mac address. On a tablet device or TV box, the device cannot be identified by IMEI. We will use the WIFI mac address as the unique identifier of the user in order to provide statistical analysis services normally.


Permission to allow the application to network and send statistical data in order to provide statistical analysis services.


1. Google stipulates that Android applications need location permissions to scan nearby BLE devices.

2. By obtaining location information, it provides developers with an anti-cheating function and eliminates cheating devices; at the same time, it corrects the user's geographical distribution data to make the report data more accurate.


1. Google stipulates that Android applications need location permissions to scan nearby BLE devices.

2. By obtaining location information, it provides developers with an anti-cheating function and eliminates cheating devices; at the same time, it corrects the user's geographical distribution data to make the report data more accurate.


Obtain the permission to read and write the memory card. Under the feedback function, the user takes pictures or selects pictures for feedback.

Use of cookies

(a) If you do not refuse to accept cookies, we will set or access cookies on your computer so that you can log in or use our platform services or functions that rely on cookies.
(b) You have the right to choose to accept or refuse to accept cookies. You can refuse to accept cookies by modifying your browser settings. However, if you choose to refuse to accept cookies, you may not be able to log in or use our web services or functions that rely on cookies.
(c) This policy will apply to the relevant information obtained through the cookies we set.

information security

(a) Our account has security protection function, please keep your username and password information safely. We will take security measures such as encrypting user passwords to ensure that your information is not lost, misused or altered. Despite the aforementioned security measures, please also note that there are no "perfect security measures" on the information network.
(b) When using our network services for online transactions, you will inevitably ask the counterparty or potential counterparty

Changes to this Privacy Policy

(a) If we decide to change the privacy policy, we will publish these changes in this policy, on our website and where we deem appropriate, so that you can understand how we collect and use your personal information and who can access it, and under what circumstances we will disclose this information.
(b) The company reserves the right to modify this policy at any time, so please check it frequently. If there are major changes to this policy, the company will notify you through a website notification.

Party discloses their personal information, such as contact information or postal address. Please properly protect your personal information and only provide it to others when necessary. If you find that your personal information is leaked, especially if our username and password are leaked, please contact our customer service immediately so that we can take corresponding measures.

how to contact us

If you have any questions or concerns about this Privacy Policy or its implementation, you may contact us by email at or at:
Product Name: Battery Monitor
Company Name: Shenzhen Legend Optoelectronics Co., Ltd.
Registered Address: 4th Floor, Building 3, Dacheng Industrial Zone, No. 357, Jihua Street, Longgang District, Shenzhen