Terms of Use

Last Updated: July 1, 2026

These Terms of Use (hereinafter referred to as "Terms") constitute a legally binding agreement between you (hereinafter referred to as "User" or "You") and GZ Medi Group (HK) Company Limited (hereinafter referred to as "We", "Us" or "Service Provider") regarding the use of the Speaker Cleaner mobile application (hereinafter referred to as "the App" or "the Service").

IMPORTANT NOTICE: By downloading, installing, using, purchasing or subscribing to this App, you acknowledge that you have read, understood and agreed to be bound by these Terms. Please read the sections regarding [Nature of Service], [Subscription Fees], [Health and Device Safety Notice], [Disclaimer of Warranties], and [Class Action Waiver] carefully. If you do not agree to any part of these Terms, please discontinue using the App immediately.

1. Nature of Service and Subscription

The App provides speaker cleaning sound playback, vibration-assisted cleaning modes, speaker/microphone testing, audio utility tools and related settings. The App may operate under a "Free Download + Paid Subscription" or "Free Download + In-App Purchase" model.

2. Health, Hearing and Device Safety Notice

Important Safety Notice: The App may play high-volume, low-frequency or high-frequency sounds. Use the App carefully. Do not place the speaker close to your ear, another person's ear, a child's ear or a pet's ear while cleaning or testing. Excessive volume or prolonged exposure to sound may cause discomfort or hearing damage.

3. User Responsibilities

4. Intellectual Property

The App and all its content, including but not limited to source code, databases, software, designs, audio patterns, vibration patterns, text, graphics, icons, trademarks, service marks and logos, are owned by or licensed to the Service Provider and are protected by copyright, trademark and other intellectual property laws. Except for the limited right to use the App in accordance with these Terms, no rights are transferred to you.

5. Disclaimer of Warranties

(Note for US Users: Please pay attention to the capitalized text below.)

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE APP AND SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE," WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED.

6. Updates and Modification of Service

We reserve the right to modify, suspend or discontinue the App, any feature, any paid plan or any part of the Service at any time where permitted by law. We may also release updates to fix bugs, improve performance, change features, maintain compatibility or comply with platform requirements.

Important Notice: Some App features may depend on your device model, iOS version, speaker hardware, microphone hardware, Apple services, subscription status or local settings. Feature availability may vary and may change over time. We assume no liability for loss of access, reduced functionality or inability to achieve a cleaning result caused by these factors.

7. Third-Party Links, Services and Costs

8. Governing Law and Dispute Resolution

9. Changes to Terms

We reserve the right to update these Terms at any time. The updated Terms will take effect immediately upon posting in the App or on the relevant policy page unless a later effective date is stated. You are advised to review this page periodically. Your continued use of the App after updated Terms take effect constitutes your acceptance of the updated Terms.

10. Refunds, Subscription Management and Disclaimer

11. Contact

12. Local Law Override

If you reside in the United States, the following provisions apply and override conflicting provisions above:

12.1 Limitation of Liability (US)

TO THE FULLEST EXTENT PERMITTED BY LAW, IN NO EVENT SHALL THE SERVICE PROVIDER BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS OR REVENUES, WHETHER INCURRED DIRECTLY OR INDIRECTLY, OR ANY LOSS OF DATA, USE, GOODWILL, DEVICE FUNCTIONALITY, AUDIO QUALITY OR OTHER INTANGIBLE LOSSES, RESULTING FROM (A) YOUR ACCESS TO OR USE OF OR INABILITY TO ACCESS OR USE THE APP; (B) ANY DEVICE DAMAGE, SPEAKER CONDITION, WATER EXPOSURE OR HARDWARE FAILURE; (C) ANY UNAUTHORIZED ACCESS TO OR USE OF OUR SERVERS AND/OR ANY PERSONAL INFORMATION STORED THEREIN; OR (D) ANY THIRD-PARTY SERVICE OR PLATFORM ACTION. IN NO EVENT SHALL OUR AGGREGATE LIABILITY EXCEED THE AMOUNT YOU PAID US, IF ANY, IN THE PAST SIX MONTHS FOR THE SERVICES GIVING RISE TO THE CLAIM.

12.2 Class Action Waiver

YOU AND THE SERVICE PROVIDER AGREE THAT EACH MAY BRING CLAIMS AGAINST THE OTHER ONLY IN YOUR OR ITS INDIVIDUAL CAPACITY AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS OR REPRESENTATIVE ACTION.

Unless both you and the Service Provider agree, no arbitrator or judge may consolidate more than one person's claims or otherwise preside over any form of a representative or class proceeding.

12.3 Mandatory Arbitration

Any dispute, claim or controversy arising out of or relating to these Terms or the breach, termination, enforcement, interpretation or validity thereof, including the determination of the scope or applicability of this agreement to arbitrate, shall be determined by arbitration rather than in court, except that you may assert claims in small claims court if your claims qualify.

12.4 California Residents Notice

If you are a California resident, in accordance with Cal. Civ. Code ยง 1789.3, you may report complaints to the Complaint Assistance Unit of the Division of Consumer Services of the California Department of Consumer Affairs by contacting them in writing at 1625 North Market Blvd., Suite N 112, Sacramento, CA 95834, or by telephone at (800) 952-5210.