DOLPHIN Smart Tracker Rex
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Specifications
- Product Name: Dolphin Smart Tracker Rex
- Version: 1.05-25
- Dimensions: 32mm x 32mm x 7.9mm
- Compatibility: Android Version 12+
overveiw
MEET YOUR DOLPHIN SMART TRACKER REX
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SET UP YOUR DOLPHIN
SMART TRACKER REX
- Step 1. Install ‘Google’s Find Hub ’ App
Scan QR to download. Compatible devices: Android Version 12+ - Step 2. Sign in

- Step 3. Connect the Dolphin Smart Tracker to your phone

- a. Press the power button on the Dolphin Tracker Rex untill you hear a beep.
- b. Turn on the Dolphin Tracker Rex near your phone, and once the FastPair pop-up shows, tap ‘Connect’ (wait for up to 10 secs).
- c. Read the terms of use carefully and proceed by clicking on ‘Agree and continue’.
- d. Just tap on the ‘Done’ button, and with that, your Dolphin Tracker Rex Setup is complete.
- e. Set a device name for your Dolphin Tracker Rex and choose a category (e.g., keys, bag, wallet) to help organize your devices.
INSTALLATION
DOLPHIN SMART TRACKER SETTINGS
- View on Map:
Open the Google Find Hub app and see your Rex Tag’s current or last known location on the map.
- Play Sound:
If the Rex Tag is nearby, tap “Play Sound” to make it beep and help you find it quickly. - Find Nearby:
Use the Find Nearby feature (if available) to get proximity guidance when you’re close to the Rex Tag.
Share with Trusted Contacts (Sender):
- Select Your REX Tag
From the list of devices, tap your REX Tag (e.g., “Backpack,” “Keys”). - Tap ‘Share Device’
Look for the “Share this device” or “Share with others” option. - Choose Trusted Contacts. Select a Google Contact or enter the Gmail address of the person you want to share the tag with.
- Send Invitation
Tap Send to invite them. The receiver will be notified. - Manage Sharing Acces:s You can view, add, or revoke shared access anytime from your sharing settings.

DOLPHIN SMART TRACKER SETTINGS
Share with Trusted Contacts (Receiver)
- Open the Temporary Sharing Link
As soon as you receive the link via message or email, open it immediately. It’s time sensitive and may expire quickly. - Accept the Invitation
Follow the prompt to accept the sharing invite, either through a browser or in the Find My Device app. This will link the shared REX Tag to your Google Account. - Download Google’s Find My Device App
Launch the app using the same Google Account where the tag was shared. Find the REX Tag in your device list.

Mark as Lost:
Get notified if your Rex Tag goes out of range. Select your Rex Tag Tap “Mark as lost” under Actions, Add a contact number and message (optional), Confirm to activate. Enable “Notify When Found” to get alerts when another Android device detects it.
Get directions
- Tap “Get directions”
- Wait for the app to fetch the current location
- View the location of dolphin tracker Rex.

TRACKER SETTINGS
Remove Your Rex Tag
Make sure your tag is nearby and connected.In the Find My Device app, tap Remove Item — you’ll hear a chime when it’s done.⚠️ Don’t remove while Lost Mode is on — it’ll lock the tag for future use.
Factory Reset Your Rex Tag Reset it to pair with a new device by following these steps:
- Press the button 2 times → (You’ll hear 1 beep)
- Press the button 4 times quickly
- On the 5th press, hold the button until you hear a ring-ring chime. Your tag is now reset and ready to pair with a new device.

BATTERY AND LANYARD REPLACEMENT
- Insert the shell opening with a shell opening tool.
- Rotate the shell opening tool 90 degrees to open the shell.
- Use your fingernails at the small gap on the side of your Item Locator to carefully open the case. 4 Replace the battery with a new CR2032 battery 3V (Positive pole with the text upward).
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- Insert the opening tool
- Rotate the opening tool 90 degrees to open the case

- Positive pole with the text upward
- Close the case (Graphic for reference)

- Open the shell as a diagrammatic sketch.(No need to fully open the entire shell)
- Put the lanyard into the column, then close the cover.
TECHNICAL SPECIFICATIONS
KNOW YOUR BATTERY
BATTERY WARNING
WARNING
- Fire Hazard! Do not short-circuit batteries. Batteries may overheat or explode.
- Keep batteries out of reach of children and pet. If swallowed, seek medical advice.
- Do not expose batteries to water or fire. Do not attempt to charge non-rechargeable batteries. The batteries may explode.
Ingestion: Swallowing may lead to serious injury or death in as little as 2 hours due to chemical burns and potential perforation of the esophagus. Immediately see the doctor;. Do not induce vomiting
or give food or drink.
Inhalation: Contents of an open battery can cause respiratory irritation. Skin Contact: Contents of an open battery can cause skin irritation.
Eye Contact: Contents of an open battery can cause severe irritation.
DISPOSAL
- The packaging is made of eco-friendly, recyclable material. Please ask your local authorities about appropriate methods of disposal.
- Defective or empty batteries must be recycled in accordance with Directive 2006/66/EC. Return batteries and/or the device to the designated collection facility.
- Batteries contain toxic substances that must be treated separately from domestic waste.
WARRANTY
WARRANTY PROVISION & PERIOD
- The device has been manufactured and thoroughly tested to meet strict quality standards.
- Consumer-inflicted damage, improper use, or incorrect maintenance of the product will void the warranty.
- Should you experience a fault or manufacturing defect within 1 year of the date of purchase, we will repair or replace the product free of charge
- Here is the link to our DoC & all other marking certificates: https://www.tag8.co/tag8-user-guide/Declaration_of_Conformity_Doc.pdf
CONTACT
Your feedback matters! Scan QR to let us know what you think
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For Inquiries or Assistance
Contact us at support@tag8.co
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FAQ
1. How will Rex help in my daily life?
2. Can I use Rex outside my country?
3. Can I use Rex Tag with my computer or laptop?
4. Do I need a SIM card or data plan for Rex to work?
5. How does Rex help me find my items within Bluetooth range?
6. What if I'm outside the Bluetooth range of Rex?
7. Can others help me find my Rex if it's out of my reach?
8. How does Google’s Find My Community work with the Rex Tag?
9. Can I share my Rex Tag with friends or family?
10. What should I do if my Rex Tag is lost?
Documents / Resources
![]() | Smart Tracker Rex |
References
- Front page - connected.inconnected.in
- Explore Innovative Track and Trace Solutions on tag8.cotag8.co
- Explore Innovative Track and Trace Solutions on tag8.cotag8.in
- User Manualmanual.tools
