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Fi Fastener Flex for Smart Dog Collar Beacon GPS Dog Tracker - Version 2, Smaller and More Flexible (Black)

4.7 (1) Write Review
Free shipping on orders over $29.99

$24.99

$ 10 .99 $10.99

In Stock

About this item

  • Fi Fastener Flex is compatible with Fi Series 2 Smart Dog Collar Beacon GPS Dog Tracker. Due to variations in size, this is not compatible with Fi Series 3 beacon.
  • This is smaller and 25% more flexible compared to our original version, making it a breeze to insert and remove the Fi Series 2 GPS Tracker Device.
  • This ingenious accessory fits collars of up to 1.25 inches in width, accommodating a wide range of collar sizes.
  • Crafted with solid loops, the Fi Fastener Flex guarantees a secure fit, and its rubber-like flexibility ensures your Fi Series 2 GPS Beacon stays in place. Fi Series 2 Beacon NOT included.
  • Choose from classic colors - Black, Gray, White, and Orange - to match your dog's collar and showcase their unique style.


Introducing the Fi Fastener Flex for Fi Series 2 GPS Dog tracker device, the latest addition to our renowned Fi Fastener series, meticulously designed for smaller dogs and those who prefer leisurely strolls over rugged trails. This fastener is smaller and 25% more flexible than our original version making getting the Fi in and out super easy and will fit any collar up to 1.25 inches wide. This innovative fastener ensures the utmost comfort for your canine companion, regardless of their size or activity level. Fi Fastener Flex is not compatible with Fi Series 3 beacon.


SHPRD Moto
2025-02-02 16:53:19
The fit is ok, not super great, I’m sure it lets mud in. The shipping said it would arrive well before a big trip and it did not. Not sure if it was a seller, Amazon, or carrier issue but it arrived almost a month later. Ended up buying a new tracker for the trip.
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