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New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium) - Image 2
New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium) - Image 3
New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium) - Image 4
New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium) - Image 5
New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium) - Image 6
New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium) - Image 7
New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium) - Image 8

New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium)

Original price was: $119.00.Current price is: $99.00.

SKU: B0FHHYX4G5 Category: Tags: , , , , , , , , , , , , , , , , , , , , , , Brand:

Product review on reviewseen.com

Price: $119.00 - $99.00
(as of Feb 24, 2026 10:28:22 UTC – Details)

Product description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Fi Series 3+ Merchant Video

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try

test try

whats in the box

Fi GPS Trackers

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.1 out of 5 stars 1,180

4.1 out of 5 stars 86

4.0 out of 5 stars 25

4.1 out of 5 stars 1,180

4.1 out of 5 stars 1,180

4.1 out of 5 stars 1,180

Price

$189.00$189.00

$189.00$189.00

$189.00$189.00

$189.00$189.00

$189.00$189.00

$189.00$189.00

Location

GPS & LTE tracking

GPS & LTE tracking

GPS & LTE tracking

GPS & LTE tracking

GPS & LTE tracking

GPS & LTE tracking

Battery life

Up to 3 months battery life

Up to 6 weeks battery life

Up to 6 weeks battery life

Up to 3 months battery life

Up to 3 months battery life

Up to 3 months battery life

Charging

Wireless charging base

Easy USB-C charging

Easy USB-C charging

Wireless charging base

Wireless charging base

Wireless charging base

Hardware

Customizable night light

0.56 oz

0.56 oz

Customizable night light

Customizable night light

Customizable night light

Waterproof

Waterproof (IP68/66K)

Waterproof (IP68)

Waterproof (IP68)

Waterproof (IP68/66K)

Waterproof (IP68/66K)

Waterproof (IP68/66K)

Product dimension

50.5 x 30.5x 11.5mm (L xWx D)

42 x 30 x 12.5mm (L x W x D)

42 x 30 x 12.5mm (L x W x D)

50.5 x 30.5x 11.5mm (L xWx D)

50.5 x 30.5x 11.5mm (L xWx D)

50.5 x 30.5x 11.5mm (L xWx D)

Health

AI-analyzed behavior tracking

AI-analyzed behavior tracking

Coming soon to Fi Mini Cats

AI-analyzed behavior tracking

AI-analyzed behavior tracking

AI-analyzed behavior tracking

Collar fits on

Only Fi-affiliated Maker Bands

Most Collars and Harnesses

Most Collars and Harnesses

Only Fi-affiliated Maker Bands

Only Fi-affiliated Maker Bands

Only Fi-affiliated Maker Bands

Apple Watch

Location updates on your wrist

Coming soon to Fi Mini Dogs

Coming soon to Fi Mini Cats

Location updates on your wrist

Location updates on your wrist

Location updates on your wrist

Made for

Designed for all dogs who roam

Ideal for puppies & small dogs

Ideal for cats

Designed for all dogs who roam

Designed for all dogs who roam

Designed for all dogs who roam

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7 .27 .2

shopshop

NEXT-GEN GPS DOG TRACKER: The Fi Series 3+ collar is our most accurate and reliable smart collar—featuring 2x improved GPS performance from past devices to track your dog’s real-time location, nationwide, with no range limits using the Fi app. It’s the perfect Christmas dog collar for dog moms and dog dads.
ESCAPE ALERTS: Custom virtual fences use the Fi app to alert you the instant your dog leaves a safe zone. If your dog escapes, get real-time notifications from your GPS dog tracker every few seconds as your dog roams.
AI-POWERED HEALTH + BEHAVIOR TRACKING: The first smart dog tracking collar to detect activity, rest, barking, licking, scratching, eating, and drinking—giving you a complete picture of your dog’s well-being. Review all your dog’s health and behavior data right in the Fi app.
APPLE WATCH INTEGRATION + ANDROID & IPHONE COMPATIBLE: View live location, activity, and Lost Mode from your Apple Watch. Plus, ask the built-in AI Companion anything—from behavior questions to care tips from your smartphone. This dog tracker delivers personalized reminders for vet visits, vaccines, and more through the Fi app.
SMART VET RECORDS: Never lose track of your dog’s medical history. Add vet receipts, pet insurance, vaccine records, training certificates, and other important health documents in the Fi app to help organize, summarize, and store the documents—all in one place.

Price: $119.00 - $99.00
(as of Feb 24, 2026 10:28:22 UTC – Details)

Additional Information

Package Dimensions

9.13 x 6.69 x 2.01 inches
Item Weight

2.72 ounces
ASIN

B0FHHYX4G5
Item model number

FC3B
Batteries

1 Nonstandard Battery batteries required. (included)
Connectivity technologies

Bluetooth, Cellular
Other display features

Wireless
Color

Pink
Whats in the box

Charger, USB Cable
Manufacturer

Fi
Date First Available

July 14, 2025

10 reviews for New Fi Series 3+ Smart Dog Tracker Collar [6 Month Membership Included] GPS Tracker for Dogs with Health & Behavior Monitoring, Escape Alerts, Waterproof, LED, Apple Watch Compatible (Pink, Medium)

  1. Jonathan c. –

    Best collar I’ve invested in
    This thing is phenomenalI can’t even count how many times my husky has gotten through the fence.Since I got this collar it’s been less of a stress when she does get outAt this point the whole neighborhood knows my dogIt has a slight delay when initiating lost mode when the connection is bad on your phone but honestly it’s worth every pennyYou can share the lost mode with others and they can help you find your dogThey will also be able to track her movementsIt does more like gives stats on health and movements.Tracks the walks too whenever you walk your dog with the exact outline of walk historyEverything is date and time stamped aswel

  2. jtorgon –

    High Quality Collar with great metrics
    excellent product.perfect for my Siberian Husky pup. Charge lasts forever as I’ve only charged it once in 2 months. App installed easily too. Would highly recommend.

  3. Dan –

    Surprised my Frenchie needed the Medium Size, but great quality!!
    Just bought the Medium size for my 17 lb Frenchie. I was adopting and had to order a collar without having my dog available for measurements. I originally thought either the XS or S would fit my dog, but the S (10.5 – 13” neck size) was too tight. I was surprised that I ended up returning the S and had to buy the Medium.Seems like a quality collar, my trainer uses Fi collars with GPS on the dogs she is training. Now that I’ve used the collar for a couple of weeks I can appreciate the elegant design and very high quality and functionality of this collar. This is expensive, but a great value and great piece of mind knowing the gps would help me track down my girl if she gets lost. I would buy this again in a heartbeat & i thoroughly recommend!!

  4. NC Customer –

    My feral girl, Tito with pink fi 3+
    We moved our feral cat, Tito to our farm but unfortunately she kept running away. We quickly discovered the ring collar tags do not work well in the country without WiFi. I opted to try Fi 3+, suited her up with a pink collar for some peace of mind after moving her back to our home at the beach. Fi works fairly well, but sometimes looses connection when she’s outside. I’ve found if you turn on lost tracking, it quickly drains battery when she’s outside. However, it is Interesting to track her adventures out exploring. Sometimes past tracking on app isn’t documented and is extremely slow to load. I purchased the standard size Fi 3+ because of the extended battery time. Easy to set up and seems durable to date. Just hope they make some lag time updates that will fix accuracy of locations current and record all past travels. Sometimes it drops off and isn’t available.

  5. Ryan C. –

    Would be the best on the market if their management wasn’t running the company into the ground
    First and foremost, why I bought this product instead of comparable competitors; My dog is like an octopus, even though he has 36 inch chest, somehow he can squeeze through a 5 inch hole in the fence. All of the competitors are clip ons and would instantly be left behind. This one is a slim metal casing that doesn’t get caught in the process of escape. THE WHOLE POINT is tracking after escape.What sucks about this product is I had 2 duds in a row. Waiting on the 3rd via RMA. Both just stopped working about week 2. What also sucks is their complete lack of customer support. If you call, you get put on hold for an hour then hung up on. If you’re lucky you get a followup email half the time. They respond to emails after about 2-3 days. The response you get is the same useless phone-tree call center crap we’ve all experienced from terrible companies the last couple decades.They would have a top tier product if it actually worked, and the whole company wasn’t so terribly mismanaged.One final point, their “AI” “health statistics” are about as accurate as a random number generator. I wrote down the scratches, drinks, eating, etc. And they don’t match up even remotely with what the app says.Update: app crashes immediately now and the 3rd device also doesn’t work AT ALL.

  6. Bryan Hoyer –

    Easy to use, Great information EXCELLENT customer service.
    This product has given my wife and I peace of mind while at multiple safe zones. Our 4 month old malinous/german shepard mix, loves to run and play with other dogs and with GPS, we always know where she is. It was easy to set up, fun seeing her stats vs others of her breed, and Fi sends good dog training information. The new 3+ knows when the pet is leaving a safe zone with a shared owner. Excellent upgrade over the 2, my daughter just upgraded her dog’s collar after he lost his collar, Fi helped put her new Fi on her account and it came ready to collar.

  7. Bob –

    Know where your dog is anytime
    Love Love Love this thing it helps us keep track of where my dogs are. I have one for each dog. We had the fi mini and the attachment system was not good enough for my rowdy dogs. So we switched to the collar and wow it’s so nice and the batteries last a few weeks between charges

  8. jimmy –

    Great colar
    The colar works great even in rural country side and gave me a piece of mind. I highly recommend.

  9. Rusting water trough. –

    Great collar. Easy to use app. Low profile.

  10. William –

    So far so good but sometime the gps is not a bit slow and not a accuret but everything else is amazing

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