1. Introduction
The HACK Android Bluetooth Tracker (Model 5054) is a compact and lightweight anti-loss tag designed to help you keep track of your valuable items. Utilizing Bluetooth technology and a dedicated Android application, it provides real-time location tracking and helps you quickly find misplaced belongings. Its waterproof design ensures reliability for both indoor and outdoor use.
Package Contents:
- HACK Android Bluetooth Tracker (Main Unit)
- Keychain Strap
- Battery (CR2032, pre-installed)
- Battery Replacement Tool
- User Manual (this document)

Image: The product packaging for the HACK Android Bluetooth Tracker, highlighting its features such as map location display, item search, and anti-loss functions.
2. Setup Guide
2.1. Download the Dedicated App
- Open the Google Play Store on your Android smartphone.
- Search for "Find Hub".
- Download and install the "Google's Find Hub" application.
Video: Demonstrates downloading and installing the "Find Hub" app on an Android smartphone, followed by the initial pairing process with the HACK Bluetooth Tracker.
2.2. Initial Pairing
- Ensure your smartphone's Bluetooth is turned ON and it has an active internet connection.
- Open the "Find Hub" application.
- Press the power button on the HACK Bluetooth Tracker once to turn it on. A melody will sound.
- The app should automatically detect the tracker. Tap "Connect" and then "Agree and continue" to complete the pairing process.
- You can further customize settings such as changing the device name, category (e.g., Bag, Keys), and sharing the tag's location with others within the app.
3. Operating Instructions
3.1. Finding Nearby Items
If your item is within Bluetooth range, open the "Find Hub" app and select the tracker. Tap the "Play Sound" option. The tracker will emit a loud sound (up to 120dB), helping you locate your item quickly.

Image: A HACK Bluetooth Tracker placed on a table next to keys, with a smartphone displaying the "Find Hub" app interface showing the device's proximity and a "Play Sound" button.
3.2. Locating Lost Items on a Map
For items outside Bluetooth range, the "Find Hub" app displays the last known location of your tracker on a map. This allows you to see where your item was last detected and navigate to its general vicinity. The app provides precise positioning globally, with no range limitations.

Image: A hand holding a smartphone showing the Google Maps interface with a route and a marker indicating the location of the HACK Bluetooth Tracker.
3.3. Security and Privacy
All location data is encrypted and stored securely using Google's technology. Only the owner can access the location history, ensuring privacy. Third parties cannot obtain personal information.
4. Maintenance
4.1. Battery Replacement
The HACK Bluetooth Tracker uses a replaceable CR2032 coin cell battery. When the battery is low, the app will notify you. To replace the battery:
- Use the provided battery replacement tool to gently pry open the tracker casing.
- Remove the old CR2032 battery.
- Insert a new CR2032 battery with the positive (+) side facing up.
- Align the two halves of the casing and press firmly until it clicks shut.
Video: Demonstrates how to open the HACK Bluetooth Tracker, replace the CR2032 battery, and reassemble the device.
4.2. Cleaning
Wipe the tracker with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tracker not pairing with phone. | Bluetooth is off; App not installed; Tracker battery low. | Ensure Bluetooth is on. Install "Find Hub" app. Replace battery if needed. Restart phone and tracker. |
| Cannot hear the tracker's sound. | Tracker is too far; Obstructions; Tracker battery low. | Move closer to the tracker. Ensure no thick walls or objects are blocking the signal. Replace battery. |
| Location on map is inaccurate. | Poor GPS signal; Outdated location data. | Ensure your phone has a strong GPS signal. Refresh the location in the app. |
| Tracker not turning on. | Battery is dead or incorrectly inserted. | Replace the CR2032 battery, ensuring correct polarity. |
6. Specifications
- Model: 5054
- Dimensions: Approx. φ3.3 × H0.7 cm (Main Unit)
- Main Material: ABS
- Weight: 6.6g (Tracker only), 13g (with keychain strap)
- Color: Black (This variant)
- Connectivity: Bluetooth
- Compatibility: Android devices (requires "Find Hub" app)
- Battery: CR2032 (replaceable)
- Water Resistance: IP65 (Protected against low-pressure water jets from any direction)
- Sound Level: Up to 120dB (for finding nearby items)

Image: A close-up view of the HACK Bluetooth Tracker in black, showcasing its compact, circular design.
7. Warranty and Support
This product comes with a standard manufacturer's warranty. Please refer to the warranty card included in the package for specific terms and conditions. For technical support, product inquiries, or warranty claims, please contact the seller directly through your purchase platform or visit the official HACK website.
Important Note: This device is designed exclusively for Android devices and is not compatible with iOS or Huawei terminals. Please ensure your device meets the compatibility requirements before use.