Smart Tracker Rex
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Product Information
Specifications:
- Product Name: Dolphin Smart Tracker Rex
- Version: 1.05-25
- Dimensions: 32mm x 32mm x 7.9mm
- Compatibility: Android Version 12+
Product Usage Instructions
1. Set Up Your Dolphin Smart Tracker Rex
- Step 1. Install Google’s Find Hub
App:- Scan QR code to download.
- Compatible devices: Android Version 12+
- Step 2. Sign in:
- Enter your User Name (username@gmail.com).
- Select ‘Continue as username’ or ‘Sign as guest’.
- Step 3. Connect the Dolphin Smart Tracker to
your phone:- Press the power button on the Dolphin Tracker Rex until you
hear a beep. - Turn on the Dolphin Tracker Rex near your phone and tap
‘Connect’ when the FastPair pop-up shows. - Read and agree to the terms of use.
- Tap ‘Done’ to complete the setup.
- Set a device name and category for organization.
- Press the power button on the Dolphin Tracker Rex until you
2. Dolphin Smart Tracker Settings
- I. View on Map: Open the Google’s Find Hub app
to view your Rex Tag’s location on the map. - II. Play Sound: Use this feature to make the
Rex Tag beep if it’s nearby. - III. Find Nearby: Get proximity guidance when
close to the Rex Tag.
Frequently Asked Questions (FAQ)
Q: How do I mark my Rex Tag as lost?
A: To mark your Rex Tag as lost, follow these steps:
- Select your Rex Tag in the app.
- Tap ‘Mark as lost’ under Actions.
- Add a contact number and message (optional).
- Confirm to activate and enable ‘Notify When Found’ for
alerts.
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User Guide
Rex
Version 1.05-25
USER GUIDE CONTENT
1. Meet Your Dolphin Smart Tracker Rex………1 2. Set up your Dolphin Smart tracker Rex……2 3. Dolphin Smart Tracker Settings………………..3 4. Battery and Lanyard Replacement…………..6 5. Frequently Asked Questions (FAQs)…………7 6. Technical Specifications…………………………..9 7. Know Your Battery…………………………………..10 8. Disposal…………………………………………………..14 9. Warranty Provision & Period…………………..14
1. MEET YOUR DOLPHIN SMART TRACKER REX
32 mm
Side A
32mm
Side B
Side A
7.9mm
Side B
1
2. 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
U User Name username@gmail.com Continue as username sign as guest
Step 3. Connect the Dolphin Smart Tracker to your Change Photo phone
+
a
b
c
d
d
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
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(e.g., keys, bag, wallet) to help organize your devices.
3. DOLPHIN SMART TRACKER SETTINGS
I. View on Map:
Open the Google’s Find Hub app and see your Rex Tag’s current or last known location on the map.
II. Play Sound:
If the Rex Tag is nearby, tap “Play Sound” to make it beep and help you find it quickly.
III. Find Nearby:
Use the Find Nearby feature (if available) to get proximity guidance when you’re close to the Rex Tag.
I.
II. & III.
IV. Share with Trusted Contacts (Sender):
I. Select Your REX Tag
From the list of devices, tap your
REX Tag (e.g., “Backpack,”
“Keys”).
II. Tap `Share Device’
Look for the “Share this device”
or “Share with others” option.
III. Choose Trusted Contacts
Select a Google Contact or enter
the Gmail address of the person
you want to share the tag with.
IV. Send Invitation
Tap Send to invite them. The
IV.A
receiver will be notified. V. Manage Sharing Access
You can view, add, or revoke
shared access anytime from your
sharing settings.
IV.B
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3. DOLPHIN SMART TRACKER SETTINGS
Dolphin Tracker Rex
IV.C
V.
IV. Share with Trusted Contacts (Receiver):
I. 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. II. 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. III. 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.
V. 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.
VI. Get directions
I. Tap “Get directions” II. Wait for the app to fetch the
current location III. View the location of dolphin
tracker Rex.
IV.D
Dolphin Tracker Rex
VI.
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3. DOLPHIN SMART TRACKER SETTINGS
VII. Remove Your Rex Tag
The location of Dolphin tracker Rex will no longer be available in Find My Device.
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.
VIII. Factory Reset Your Rex Tag
Reset it to pair with a new device
by following these steps:
I. Press the button 2 times
VII
(You’ll hear 1 beep) II. Press the button 4 quick times
VIII
III. 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.
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4. BATTERY AND LANYARD REPLACEMENT
1. Insert the shell opening with a shell opening tool. 2. Rotate the shell opening tool 90 degrees to open the shell. 3 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).
Insert the opening tool
Rotate the opening tool 90 dergrees to open the case
Positive pole with the text upward
Close the case (Graphic for reference)
Open the shell as diagrammatic sketch.(No need to fully open the
Put the lanyard into column, then close the cover.
entire shell)
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5. FREQUENTLY ASKED QUESTIONS (FAQS)
1. How will Rex help in my daily life?
Rex is designed to help you locate items that are often misplaced, such as keys, wallets, luggage, important documents, cameras, and other valuables. By attaching the coin-sized Rex to these items, you can easily track and find them using the Google’s Find Hub app on your Android smartphone.
2. Can I use Rex outside my country?
Yes, Rex works with the Google’s Find Hub app, allowing you to track your items globally. This means you can locate your belongings across countries and continents without any issues.
3. Can I use Rex Tag with my computer or laptop?
Rex Tag works with phones, tablets, and Chromebooks. It is not supported on
Windows or Mac laptops.
Compatible devices:
Not supported:
Android phones & tablets
Windows laptops
Chromebooks (ChromeOS)
MacBooks
4. Do I need a SIM card or data plan for Rex to work?
No, Rex does not require a SIM card or data plan. It operates via Bluetooth and utilizes Google’s Find My Device network to help you track your belongings.
5. How does Rex help me find my items within Bluetooth range?
Within Bluetooth range, simply tap `Play sound’ on the Google’s Find Hub app, and your Rex will start beeping loudly–up to 100 dB–making it easy for you to hear and locate it.
6. What if I’m outside the Bluetooth range of Rex?
Even when you are outside the Bluetooth range, you can still check the last location detected by Google’s Find My Device network along with the last seen time. Select ‘Get Directions’ to open maps and follow the directions to reach your Rex. Once near, Rex will automatically connect to your phone, and you can simply tap ‘Play Sound’ to find it.
7. Can others help me find my Rex if it’s out of my reach?
Yes, millions of Android devices around the world can help you find your Rex. The tag sends out secure Bluetooth signals that other Android devices can detect, and the updated location is shared with you on the Google’s Find Hub app. You can even turn on `Lost mode’ to get notified as soon as someone finds it.
8. How does Google’s Find My Community work with the Rex Tag?
The Rex Tag uses Google’s Find My Device network to help you track lost items, even when they’re out of range. Once set up, it sends a secure Bluetooth signal detected by nearby Android devices, which anonymously update its location to your account so you can see it on the map, even without internet or a direct connection.
9. Can I share my Rex Tag with friends or family?
Yes, you can share your Rext Tag with others. Google’s Find My Device network
allows multiple users to track and manage the same tag by sharing access through
their Google accounts. This enables trusted friends or family members to help
locate the tag. To share, simply invite them via the Find My Device app and grant
them the necessary access.
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5. FREQUENTLY ASKED QUESTIONS (FAQS)
10. What should I do if my Rex Tag is lost?
Use Mark as Lost to share your contact details with anyone who finds it.
Steps: Open the Google’s Find Hub app Select your Rex Tag Tap “Mark as lost” under Actions Add a contact number and message Confirm to activate
What happens next:
How to get a location Open the Google’s Find Hub app Select your Rex Tag Tap “Locate” Wait for the app to fetch the current location View the location on the map
Your contact info shows if someone finds it
Location updates continue
You can disable Mark as Lost anytime.
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6. TECHNICAL SPECIFICATIONS
Model
Material Dimension LxWxT in mm
ABS 32mmx7.9mm
Weight in grams
6.6 grams/ 0.23 Ounce
IP Rating Alert Sound in Decibel Battery Type Battery Capacity in mAh
IP66 rated 100 dB Cr2032 3V Replaceable 220 mAH
Battery Life in months 12 Months
Battery Standby in months
18 Months
Range Line of sight in Feet
~60 feet
Range Non line of sight in Feet
~30 feet
Version
BLE V5.0
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8. KNOW YOUR BATTERY
BATTERY WARNING (ENGLISH)
WARNING
Fire Hazard! Do not short-circuit batteries Batteries may overheat or explode.
WARNING
Keep batteries out of reach of children and pet. If swallowed, seek medical advice.
WARNING
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.
CONNAISSEZ VOTRE BATTERIE (FRENCH)
AVERTISSEMENT AVERTISSEMENT
Risque d’incendie ! Ne court-circuitez pas les batteries. Les batteries peuvent surchauffer ou exploser. Gardez les piles hors de portée des enfants et des animaux domestiques. En cas d’ingestion, consulter un médecin.
AVERTISSEMENT
N’exposez pas les batteries à l’eau ou au feu. N’essayez pas de charger des piles non rechargeables. Les piles pourraient exploser.
Ingestion: L’ingestion peut entraîner des blessures graves, voire la mort, en seulement
2 heures, en raison de brûlures chimiques et d’une perforation potentielle de
l’oesophage.Consultez immédiatement un médecin. Ne pas faire vomir et ne pas
donner de nourriture ou de boisson.
Inhalation: Le contenu d’une batterie ouverte peut provoquer une irritation respiratoire.
Contact avec la peau : Le contenu d’une batterie ouverte peut provoquer une irritation
cutanée.
Contact avec les yeux : Le contenu d’une pile ouverte peut provoquer une grave irritation.
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8. KNOW YOUR BATTERY
CONOSCI LA TUA BATTERIA (ITALIAN)
AVVERTIMENTO AVVERTIMENTO
Risque d’incendie ! Ne court-circuitez pas les batteries. Les batteries peuvent surchauffer ou exploser. Tenere le batterie fuori dalla portata dei bambinie degli animali domestici. In caso di ingestione consultare un medico.
AVVERTIMENTO
Non esporre le batterie all’acqua o al fuoco. Non tentare di caricare batterie non ricaricabili. Le batterie potrebbero esplodere.
Ingestione: l’ingestione può causare lesioni gravi o morte in sole 2 ore a causa di ustioni chimiche e potenziale perforazione dell’esofago. Consultare immediatamente il medico;.Non indurre il vomito né somministrare cibi o bevande. Inalazione: il contenuto di una batteria aperta può causare irritazione respiratoria. Contatto con la pelle: il contenuto di una batteria aperta può causare irritazione alla pelle. Contatto con gli occhi: il contenuto di una batteria aperta può causare grave irritazione.
KENNEN SIE IHRE BATTERIE (DEUTSCHE)
WARNUNG
Brandgefahr! Schließen Sie Batterien nicht kurz. Batterien können überhitzen oder explodieren.
WARNUNG
Bewahren Sie Batterien außerhalb der Reichweite von Kindern und Haustieren auf. Bei Verschlucken ärztlichen Rat einholen.
WARNUNG
Setzen Sie Batterien weder Wasser noch Feuer aus. Versuchen Sie nicht, nicht wiederaufladbare Batterien aufzuladen.Die Batterien könnten explodieren.
Verschlucken: Verschlucken kann aufgrund von Verätzungen und einer möglichen Perforation der Speiseröhre bereits nach 2 Stunden zu schweren Verletzungen oder zum Tod führen. Suchen Sie sofort einen Arzt auf. Kein Erbrechen herbeiführen und weder Essen noch Trinken verabreichen. Einatmen: Der Inhalt einer offenen Batterie kann Reizungen der Atemwege verursachen.
Hautkontakt: Der Inhalt einer offenen Batterie kann Hautreizungen verursachen. 11
Augenkontakt: Der Inhalt einer offenen Batterie kann schwere Reizungen verursachen.
8. KNOW YOUR BATTERY
CONOCE TU BATERÍA (SPANISH)
ADVERTENCIA
Peligro de incendio! No provoque cortocircuitos en las baterías. Las baterías podrían sobrecalentarse o explotar.
ADVERTENCIA
Mantenga las baterías fuera del alcance de los niños y las mascotas. En caso de ingestión, busque atención médica.
No exponga las baterías al agua o al fuego. No
ADVERTENCIA
intente cargar baterías no recargables. Las baterías pueden explotar.
Ingestión: La ingestión puede provocar lesiones graves o la muerte en tan solo 2 horas debido a quemaduras químicas y posible perforación del esófago. Consulte inmediatamente al médico. No induzca el vómito ni dé comida o bebida. Inhalación: El contenido de una batería abierta puede causar irritación respiratoria. Contacto con la piel: El contenido de una batería abierta puede causar irritación de la piel. Contacto con los ojos: El contenido de una batería abierta puede causar irritación
grave.
(RUSSIAN)
! . .
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2 –
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:
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8. KNOW YOUR BATTERY
KEN UW BATTERIJ (DUTCH)
WAARSCHUWING
Brandgevaar! Sluit batterijen niet kort. Batterijen kunnen oververhit raken of exploderen.
WAARSCHUWING
Houd batterijen buiten het bereik van kinderen en huisdieren. Bij inslikken een arts raadplegen.
WAARSCHUWING
Stel batterijen niet bloot aan water of vuur. Probeer niet-oplaadbare batterijen niet op te laden. De batterijen kunnen ontploffen.
Inslikken: Inslikken kan binnen 2 uur leiden tot ernstig letsel of de dood als gevolg van chemische brandwonden en mogelijke perforatie van de slokdarm. Raadpleeg onmiddellijk een arts. Geen braken opwekken en geen eten of drinken geven. Inhalation: Le contenu d’une batterie ouverte peut provoquer une irritation respiratoire. Inademing: De inhoud van een batterij kan een irritatie-ademhalingsapparaat veroorzaken. Oogcontact: De inhoud van een open batterij kan ernstige irritatie veroorzaken.
CUNOATE-I BATERIA (ROMANIAN)
AVERTIZARE
Pericol de incendiu! Nu scurtcircuitai bateriile Bateriile se pot supraînclzi sau exploda.
AVERTIZARE
Nu lsai bateriile la îndemâna copiilor i a animalelor de companie. Dac este înghiit, solicitai sfatul medicului.
AVERTIZARE
Nu expunei bateriile la ap sau foc. Nu încercai s încrcai bateriile nereîncrcabile. Bateriile pot exploda.
Ingerare: Înghiirea poate duce la rni grave sau deces în cel puin 2 ore din cauza arsurilor chimice i a potenialei perforaii a esofagului.Consultai imediat medicul;Nu provocai vrsturile i nu dai mâncare sau butur. Inhalare: Coninutul unei baterii deschise poate provoca iritaii Contact cu pielea: Coninutul unei baterii deschise poate provoca iritaii ale pielii. Contact cu ochii: Coninutul unei baterii deschise poate provoca iritaii severe.
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8. KNOW YOUR BATTERY
ZNAJ SWOJ BATERI (POLISH)
OSTRZEENIE OSTRZEENIE
Zagroenie poarowe! Nie zwieraj baterii. Baterie mog si przegrza lub eksplodowa. Baterie naley przechowywa poza zasigiem dzieci i zwierzt. W przypadku polknicia zasign porady lekarza.
OSTRZEENIE
Nie naraaj baterii na dzialanie wody lub ognia. Nie próbuj ladowa baterii jednorazowych. Baterie mog eksplodowa.
Polknicie: Polknicie moe spowodowa powane obraenia lub mier w cigu zaledwie 2 godzin z powodu oparze chemicznych I potencjalnej perforacji przelyku. Natychmiast skontaktowa si z lekarzem. Nie wywolywa wymiotów, nie podawa jedzenia I picia. Wdychanie: Zawarto otwartej baterii moe powodowa podranienie dróg oddechowych. Kontakt ze skór: Zawarto otwartej baterii moe powodowa podranienie skóry. Kontakt z oczami: Zawarto otwartej baterii moe powodowa powane podranienie.
9. 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.
10. 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
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Documents / Resources
![]() |
DOLPHIN Smart Tracker Rex [pdf] User Guide Smart Tracker Rex, Tracker Rex, Rex |