Last Updated: September 2025
1. Overview
GoLink (the "App") is developed and maintained by DIMTON CO., LTD. We value your privacy and are committed to protecting your personal data. This Privacy Policy explains how we collect, use, process, and protect your data when you use our App.
2. Data Collection and Use
2.1 Types of Data We Collect
Automatically Collected Data:
- Device Information: Device model, manufacturer, Android version, hardware specifications, system features
- App Usage Data: App feature usage statistics collected via Firebase Analytics
- Crash Reports: Crash information and stack traces collected automatically via Firebase Crashlytics to improve app stability
Locally Stored Data:
- Audio Device Settings: PTT button device Vendor ID (VID) and Product ID (PID)
- App Preferences: Volume settings and other user preferences
Optionally Collected Data:
- Diagnostic Logs: Detailed system information and app logs only when you actively export diagnostic reports
2.2 Purpose of Data Use
We collect and use data for the following purposes:
- Provide Core Functionality: Enable audio bridging between Bluetooth and USB audio devices
- Improve Service Quality: Analyze usage patterns to optimize app performance and user experience
- Technical Support: Assist in diagnosing and resolving technical issues
- Ensure Stability: Quickly identify and fix issues through crash reports
2.3 Data Sharing
We do not sell your personal data. Data sharing is limited to:
- Service Providers: Shared with Google (Firebase) for analytics and crash reporting services
- Legal Requirements: When required by law or necessary to protect user safety
- User Consent: With your explicit consent
3. Permissions Explained
Required Permissions:
RECORD_AUDIO
Capture audio from Bluetooth microphone for transmission to USB devices
BLUETOOTH_CONNECT
Establish and manage Bluetooth SCO audio connections
MODIFY_AUDIO_SETTINGS
Configure audio routing and SCO connections
FOREGROUND_SERVICE
Ensure continuous audio bridging in the background
ACCESSIBILITY_SERVICE
Detect PTT button press events
Optional Permissions:
POST_NOTIFICATIONS
Display service status notifications (Android 13+)
INTERNET
Used for Firebase Analytics and crash reporting
4. Data Security
We protect your data through:
- Encrypted connections (HTTPS) for all network transmissions
- Local data stored in app's private directory
- No collection of sensitive personal information (names, emails, phone numbers)
- Regular security updates to protect against threats
5. Data Retention and Deletion
- Local Settings: Retained until you uninstall the app
- Diagnostic Logs: Local logs rotate automatically, keeping only recent logs
- Firebase Data:
- Analytics data: Retained for 14 months per Google policy
- Crashlytics data: Retained for 90 days
- Data Deletion: Uninstalling the app deletes all local data
6. Children's Privacy
The App is not designed for children under 13. We do not knowingly collect personal data from children.
7. Data Safety Section Declaration
This App:
Does not collect personal identification information
Does not share user personal data with third-party advertisers
Uses encryption for data transmission
Allows users to delete data (by uninstalling the app)
Complies with Google Play Developer Program Policies
8. Your Rights
You have the right to:
- Know what data we collect
- Request deletion of your data (by uninstalling the app)
- Opt-out of analytics data collection (in app settings)
- Deny non-essential permissions
9. Policy Updates
We may update this Privacy Policy periodically. Significant changes will be notified through in-app notifications. We encourage you to review this policy regularly.
10. Contact Us
If you have questions or concerns about this Privacy Policy, please contact us:
11. Legal Compliance
This App complies with:
- Google Play Developer Program Policies
- Applicable data protection laws and regulations
- Android platform privacy best practices
By using GoLink, you agree to the data processing practices described in this Privacy Policy.
If you do not agree with this policy, please do not use the App.