Fi Compatible Collars & Bands for Dogs

Fi Collars and Your Pup’s Wellness

It’s pretty amazing what technology can do these days, right?

So it’s not surprising that a Fi tracker actually goes beyond keeping tabs on where your pup wanders. The synced Fi app also logs daily steps, activity, and sleep, and the Series 3+ uses AI-powered behavior tracking to catch patterns in things like barking, licking, scratching, eating, and drinking.

Over time, those trends make it easier to notice small changes in your dog’s routine, like extra scratching or a few restless nights. In any case, both might be worth a chat with your vet.

Keeping your dog active matters, too. In a 2022 survey by the Association for Pet Obesity Prevention, veterinary professionals classified 59% of dogs as overweight or obese. With weekly activity goals and breed comparisons in the Fi app, it’s easier to keep your pup moving (and you’ve got the perfect excuse for one more walk).

Fi Series 3 and Series 3+

Both trackers use the same Fi end links, so every one of our Fi-compatible collars works with either device. Upgrading from a Series 3 to a 3+? Your favorite Mimi Green collar comes along for the ride.

Fi Series 2

The Series 2 uses a different end link that isn’t interchangeable with Series 3 or 3+ collars, so double-check your Fi device before you order. These are no longer sold on the official Fi website, so you may want to consider an upgrade if you’ve already purchased the Series 1 or Series 2. For access to a more precise GPS and exclusive smart AI features, check out the Fi Series Upgrade Program!

Fi Mini

The Fi Mini skips end links entirely. It slides onto a regular collar with Fi’s strap or soft case, so you’ll want one of our standard designer collars instead of a Fi-compatible one. It fits collars from 3/8" to 1 1/4" wide, but it isn’t designed for over-the-head collars without a buckle.

Other Trackers

Our Fi-compatible end links are made for Fi Series devices only. Using a different tracker or a tag holder, like the kind made for Bluetooth trackers? Our regular dog collars are the way to go.

Fascinated by how Fi technology works? So are we! That’s why we wrote this guide on how Fi dog collars work and which of our Mimi Green collars you can pair your Fi device with!

Why Fi-Compatible Martingale Collars Offer Ultimate Safety and Protection

Whether you’re looking for everyday wear or specialized training, our Fi dog collars come in styles and materials to match every dog’s lifestyle and personality. Martingale dog collars are the ultimate no-slip dog collar. Pair that with Fi-compatibility, and you’ll have the safest dog collar around!

At Mimi Green, we offer unique Fi-compatible martingale collars in a wide variety of patterns, designs, and colors. Our limited-slip collars offer a secure fit that helps prevent escapes, while the Fi compatibility lets you track your furry friend’s every adventure. It’s the perfect combo for pups who are both stylish and a little bit sneaky!