The Fi Series 3+ is the latest evolution in smart dog collars, built with cutting-edge AI to monitor your dog’s health, behavior, and location. Designed for modern pet parents, this device blends style, tech, and practicality in one powerful package.
Whether you’re tracking daily walks or identifying early signs of discomfort, this collar delivers unmatched precision and peace of mind.
Why Fi Series 3+ Is a Game-Changer
What sets the Fi Series 3+ apart is its AI-enhanced behavior tracking, improved GPS sensitivity, and exceptional battery life. It offers advanced health detection by recognizing subtle behavioral patterns such as licking, scratching, eating, or drinking. These signals often go unnoticed by the human eye but can reveal vital early warnings of underlying health issues.
Combined with real-time GPS tracking and the ability to create safe zones, this collar ensures your dog’s location is always visible. It’s especially useful for owners of adventurous or escape-prone pets.
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Fi Series 3+ Specifications
| Feature | Description |
|---|---|
| GPS Tracking | Real-time GPS with 2× sensitivity improvement |
| Battery Life | Up to 3 months per charge |
| Connectivity | LTE-M, Wi-Fi, Bluetooth |
| AI Behavior Detection | Detects licking, scratching, barking, eating |
| Waterproof Rating | IP68 (submersible) + IP66K (jet wash) |
| Material | Stainless steel body with secure smart clasp |
| Charging Method | Wireless magnetic base |
| Mobile App Support | iOS & Android with Apple Watch integration |
| Weight & Fit | Lightweight, suitable for dogs over 10 lbs |
| Membership Plan | Starts at $14/month, includes device |
Smart Features That Make a Difference
- Health & Behavior Alerts: The collar sends real-time notifications if unusual behavior is detected.
- Lost Dog Mode: Automatically activates LED lights and boosts location tracking if your dog escapes.
- Activity Tracking: Monitor steps, rest, and daily exercise goals.
- Geofencing: Create custom boundaries for your dog. You’ll receive alerts if they exit the designated area.
- Apple Watch Support: View alerts and location directly on your wrist.
The build is both stylish and rugged—perfect for dogs who like to swim, dig, or run through rough terrain. The collar’s AI constantly learns from your dog’s patterns, adapting to deliver even more precise behavior insights over time.
Frequently Asked Questions (FAQs)
Q1: What is the difference between Fi Series 3 and Fi Series 3+?
A1: The Fi Series 3+ includes advanced AI-powered health and behavior tracking, a longer battery life, and better GPS sensitivity compared to the Fi Series 3.
Q2: Does the collar work without cellular service?
A2: The collar can use Wi-Fi and Bluetooth for basic functions, but full GPS tracking requires LTE-M cellular coverage.
Q3: Is the collar suitable for small dogs?
A3: The Fi Series 3+ is designed for dogs weighing over 10 pounds. The strap is adjustable for most medium to large breeds.
Q4: Can I use it without a subscription?
A4: No, the collar requires a monthly membership plan to access GPS tracking, behavior monitoring, and app features.
Q5: How often do I need to charge it?
A5: With typical use, the collar lasts up to 3 months on a single charge, depending on GPS and activity settings.
Q6: What happens if my dog escapes?
A6: The collar automatically enters Lost Dog Mode, activating LED lights and increasing GPS location updates to every minute.
Final Thoughts
The Fi Series 3+ is more than just a GPS tracker—it’s a complete dog monitoring system. With AI-driven alerts, outstanding durability, and exceptional battery life, it delivers on every promise for responsible dog parents. Whether you’re monitoring your dog’s fitness, tracking their location, or watching for health signs, this smart collar is the best investment you can make in 2025.
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