Privacy Policy

Last Updated: November 21, 2023

Welcome to BLS GmbH (“we”, “us” or “”). We provide bilateral stimulation tools to our users (“you”). To provide our Services we need to collect some of your personal data, whether you are using https:/ (“Site”) or are communicating with us through other channels (“Other Communication”) (collectively our “Services”). This Privacy Policy (the “Privacy Policy”) is intended to inform you about our practices regarding the collection and use of your data that you may submit to us through our Services.

This Privacy Policy should be read alongside, and in addition to our Terms and conditions.

This Privacy Policy may be updated to reflect changes in legislation, so please review it every now and then. You can always find the most recent version on our Site. If we make substantial changes, we will try to provide a notice prior to any changes taking effect. What constitutes a substantial change will be determined at our sole discretion. By continuing to access or use our Service after those revisions become effective, you agree to be bound by the revised terms. If you do not agree to the new terms, please stop using the Services.

The Privacy Policy only covers data processing carried out by us. The Privacy Policy does not address, and we are not responsible for, the privacy practices of any other parties.

Who processes your data

Your data is being processed by our company BLS GmbH, Mühlenstraße 8A, 14167 Berlin, Germany (“”, “we”, “us” or “our”).

To learn more about data management or if you have any other questions, please contact us at

What data is processed

We may collect the following types of information about you:

Personal Identifiable Information

While you do not need to register an account with us to use the Site you can choose to do so to increase the number of features at your disposal.

Furthermore, you can choose to order a physical product from us, to be shipped to you.

For users who choose to register for a paid account or to order a physical product, we may collect and process information that can be used to identify or contact you as an individual known as your personal identifiable information (“PII”), including but not limited to:

  • first and second names
  • email address
  • billing address
  • shipping address (in the case of a physical product order)
  • and other PII provided by you voluntarily when you use our Services

We ask that you do not provide us with an email address that you share with other people as this may compromise your confidentiality.

Technical Information

We and/or our authorized external service providers may automatically collect technical data when you visit or interact with our Services. Technical data may include, in particular:

  • the URL of the site visited before using our Service (if shared by the site visited previously)
  • the time and date of user visits
  • operating system type and version
  • IP address
  • rough geographic location (city, country)
  • the browser name and type
  • the type of computer or device accessing our Service
  • time spent on the Service and other similar technical information

In a limited number of cases it is possible to use technical data and identify you as an individual, thus making them PII, however, we never use technical data to identify you as an individual. In general, this data will be aggregated or statistical, which means that we will not be able to identify you individually.

    We use technical data to
  • Provide, operate, and maintain our Services
  • Improve, personalize, and expand our Services
  • Understand and analyze how you use our Services
  • Develop new products, services, features, and functionality
  • Communicate with you, either directly or through one of our partners, including for customer service
  • To provide you with updates and other information relating to the Services, and for marketing and promotional purposes
  • Send you emails
  • Investigate concerns or complaints
  • Find and prevent fraud

What are the purposes and legal basis for processing your PII?

We process your PII in order to:

Provide our Services to you. This purpose includes mainly the following processing activities:

  • creating and providing your account from PII you provide upon registration;
  • informing you about updates and new features of our Service;
  • notifying you about updates of our Terms of Use and this Privacy Policy;
  • responding to you in relation to any queries you may have with respect to our Services;
  • resolving potential agreement-related troubleshooting problems and disputes.

We process the email address, payment information, and other data provided by you voluntarily when you use our Service.

Process an application as part of's recruitment. During our application process, we may collect and process the applicant’s name, contact details and professional background.

Market our Services. We may market our current or future Services if you subscribe to our newsletter on our Site and by doing so, you provide us your consent with the processing of your email address for marketing purposes.

There are several ways you can stop direct marketing communications from us: click the “Unsubscribe” link in any email communication that we send you, or withdraw your consent through

Improve our Services. This purpose includes the following processing activities using technical information:

  • to influence current and future features;
  • to prevent and detect security flaws and user interface issues.

How we share your personal data

We only share your PII within and with those of its employees, contractors and affiliated organizations that need to know the information in order to process it on’s behalf or to provide the Services and those that have agreed not to disclose it to others.

We do not share your PII with other recipients unless one of the following circumstances applies:

It is necessary for legal reasons. We may share your PII with recipients outside of if we have a good-faith belief that access to and use of your PII is reasonably necessary to: (i) meet any applicable law, regulation, and/or court order; (ii) detect, prevent, or otherwise address fraud, security or technical issues; and/or (iii) protect the interests, properties or safety of, our users or the public as far as in accordance with the law. When possible, we will inform you about such processing.

It is necessary for the compliance with our obligations towards you. To the extent that our external service providers (sub-processors) need access to your PII to help us perform our Services for you, we have taken the appropriate contractual and organizational measures to ensure that your PII are processed in accordance with all applicable laws and regulations. You can contact us to receive our current list of providers.

Where do we transfer your data to

We process personal data primarily in the European Union and in the United States.

If you use our Services and are a European resident, you acknowledge and agree that your PII may be transmitted outside of the European Economic Area. In such a case, we transfer your personal data only to a country that is considered to have an adequate level of protection in accordance with the EU Commission's decision or there are appropriate safeguards in place to protect your personal data, such as standard contractual clauses or binding internal company rules. Regardless of the country in which your personal data is processed, we take reasonable technical, legal, and organizational measures to ensure that the level of protection is the same as in the European Union and the European Economic Area.

If we are involved in a merger, acquisition, or other reorganization, your information may be transferred as part of that deal. We will notify you (for example, via a message to the email address associated with your account) of any such deal and outline your choices in that event.

What is the storage period stores your PII only if it is legally permitted and necessary for the purposes for which the data were collected or we are legally obliged to do so.

Use of Cookies


A cookie is a small text file placed on your computer (or another electronic device) when you access our website. We use cookies and other online tracking devices such as action tags, Local Shared Objects, single-pixel gifs on this website to:

  • recognize you whenever you visit this website (this speeds up your access to the site as you do not have to log in each time)
  • obtain information about your preferences, online movements and use of the internet
  • carry out research and statistical analysis to help improve our content, products, and services and to help us better understand our visitor/customer requirements and interests
  • target our marketing and advertising campaigns and those of our partners more effectively by providing interest-based advertisements that are personalized to your interests
  • make your online experience more efficient and enjoyable

The information we obtain from our use of cookies will not usually contain your personal data. For example, although we may obtain information about your computer or other electronic devices such as your IP address, browser, and/or other internet log information, this will not usually identify you personally.

In certain circumstances, we may collect personal information about you – but only where you voluntarily provide it (e.g. by completing an online form) or where you purchase goods or services from us.

In most cases, we will need your active consent to use cookies on this website. The exception is where the cookie is essential for us to provide you with a service you have requested (e.g. to enable you to put items in your shopping basket and use our check-out process).

There is a notice on our home page that describes how we use cookies and links to this policy. If you use this website after this notification has been displayed to you, we will assume that you consent to our use of cookies for the purposes described in this Privacy Policy (‘Active Consent’).

If you do not want to accept cookies, you can change your browser settings so that cookies are not accepted. However, if you do this, please be aware that you may lose some of the functionality of this website and may have to re-login every time you use it. For further information about cookies and how to disable them, please go to:

Third-party cookies

We work with third-party suppliers who may also set cookies on our website, for example, Facebook and Google.

We use these Cookies to analyze user activity in order to improve our Website. For example, using Cookies, we can look at aggregate patterns like the average number of pages that users visit.

The third-party suppliers are responsible for the cookies they set on our site. If you want further information, please go to the website for the relevant third party. You will find additional information in the list below.

Third-party cookies and their Purpose

Amplitude offers a range of website analytics services. We use Amplitude as a way to better understand how our website is being used. If you want to learn more about it or opt out of it you can visit this link here.

Auth0 is a cloud-based authentication and authorization provider. We use them for our registration, login, and API authorization functionality. They may store a cookie that helps with keeping you logged in. You can find their privacy policy here.

Cloudinary is a cloud-based image management solution that we use to improve the speed and experience of image files on our website. They may use cookies to improve your experience with images, e.g. by helping us with serving you the right image size and file type for each device. If you want to lean more about it or opt out of it you you can visit this link here.

Google Adwords
This cookie facilitates post-visit messaging to drive return visits. If you want to learn more about this or opt out of it, you can visit this link.

Google Analytics
This is a web analytics service provided by Google, Inc, which uses cookies to show us how visitors found and explored our site and how we can enhance their experience. In addition, it provides us with information about the behavior of our visitors (e.g. how long they stayed on the site, the average number of pages viewed) and also tells us how many visitors we have had. If you want to object to Google Analytics tracking you, you can use this browser extension provided by Google. You can also find out more about how Google handles your data by their privacy policy or by visiting their relevant support page.

Google Doubleclick
Google Doubleclick provides us to track the effectiveness of different advertising campaigns that are delivered to different audiences and target the advertising we do on third-party websites more effectively. If you want to learn more about this or opt out of it, you can visit this link.

This cookie allows us to target the advertising we do on Facebook more effectively by matching data we hold with that held by Facebook. You can manage your preferences or opt-out of it using this link.

Sentry is a technology service that helps us better understand our users' experience (e.g.errors they encounter, which links they choose to click, what users do and don't like, etc.), and this enables us to build and maintain our service with user feedback in mind. Sentry uses cookies and other technologies to collect data on our users' behavior and their devices (in particular device screen size, device type (unique device identifiers), browser information, geographic location (approximate only), preferred language used to display our website). If you want to learn more about it or opt out of it you can visit this link here.

Data Protection Officer

Our Data Protection Officer is responsible for overseeing what we do with your information and monitoring our compliance with data protection laws. If you have any concerns or questions about our use of your personal information, you can contact our Data Protection Officer by writing to

Data of other individuals

If you give us information on behalf of someone else, you confirm that the other person has appointed you to act on his/her behalf and has agreed that you can:

  • Enter into contractual preparations (including the processing of his or her personal data) on his/her behalf
  • Receive on his/her behalf any data protection notices
  • Potentially enter into a contractual obligation on his/her behalf (in case you choose to register on his/her behalf)

Data of children

We do not knowingly collect or ask for information from people under the age of 18. If you are such a person, please do not use our service or send us your information. We delete information that we learn is collected from a person under the age of 18 without verified parental consent.

Data security

We take all reasonable, appropriate security measures to protect our customers from unauthorized access to or unauthorized alteration, disclosure, or destruction of PII we hold. Measures include where appropriate, encryption, firewalls, secure facilities, and access rights systems. Should despite the security measures, a security breach occur that is likely to have negative effects to your privacy, we will inform you about the breach as soon as reasonably possible. If you have any questions, feel free to contact us at

European Economic Area Users

As a resident of the European Economic Area you have the following special rights:

Right of access. offers you access to your PII we process. This means you can contact us and request from us a confirmation whether or not your PII are being processed and if so, you have the right to request access to your data.

Right to erasure. You may also ask us to erase your PII from our systems. We will comply with such requests unless we have a legitimate ground to not delete your personal data (e.g. if we are legally obligated to retain parts of it).

Right to restriction of processing. You may request us to restrict certain processing of your personal data. If you restrict certain processing of your personal data, this may lead to fewer possibilities to use our Services and Site.

How to use your rights. You may exercise your rights above, free of charge, in writing by sending us an email at We may require confirmation of your identity depending on your request.

If you are not satisfied with's handling of your privacy concerns please note that you have the right to complain to your local data protection supervisory authority.

List of EU supervisory authorities:

Switzerland supervisory authority:

California Users

Do Not Sell My Personal Information Notice - California Consumer Privacy Act (CCPA) has not disclosed or sold any personal information to third parties for a business or commercial purpose in the preceding twelve (12) months. will not sell personal information in the future belonging to Site's visitors, users, and other consumers.

If you are under 18 years of age

If you have a registered account with, you have the right to request the removal of unwanted personal information that you publicly post on our Site. To request the removal of such information, please contact us using the contact information provided below. Make sure to include your account's email address and a statement that you reside in California.

"Shine the Light Law"

California Civil Code Section 1798.83, also known as the "Shine The Light" law, permits our users who are California residents to request and obtain from us, once a year and free of charge, personal information about the personal information (if any) we disclosed to third parties for direct marketing purposes in the preceding calendar year. If applicable, this personal information would include a list of the categories of the personal information that was shared and the names and addresses of all third parties with which we shared personal information in the immediately preceding calendar year. If you are a California resident and would like to make such a request, please submit your request in writing to

Nevada Users

For residents of the State of Nevada, Chapter 603A of the Nevada Revised Statutes permits a Nevada resident to opt out of future sales of certain covered information that a website operator has collected or will collect about the resident. Although we do not currently sell covered information, please contact us at to submit such a request.

Privacy Policy Changes may, in its sole discretion, change this Privacy Notice from time to time. Any and all changes to's Privacy Notice will be reflected on this page and the date of the new version will be stated at the top of this Privacy Notice. Unless stated otherwise, our current Privacy Notice applies to all personal information that we have about you and your account. Users should regularly check this page for any changes to this Privacy Notice. will always post new versions of the Privacy Notice on the Site. However, may, as determined at its discretion, decide to notify users of changes made to this Privacy Notice via email or otherwise. Accordingly, it is important that users always maintain and update their contact personal information.

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