Keep tabs on your favorite adventure buddy using the Whistle™ Health & GPS. With industry-leading health AI and GPS updates every 15 seconds, this smart device is designed to keep them as healthy and safe as possible.

Your pet’s health, in the palm of your hand.

Location Alerts

Whether it’s a sneaky escape or a stroll with your dogwalker, get notified when your pet leaves a designated safe place by email, text, or app alert.

Find My Pet

Know your pet’s exact location with GPS tracking powered by AT&T's 4G LTE-M network. Subscription plan required. We recommend checking LTE coverage in your area.

Health Monitoring

Catch potential health issues before they become problems. Whistle analyzes licking, scratching, drinking, and sleeping week-over-week to alert you to any abnormalities.

Ask a Vet

With Whistle’s Ask a Vet feature, you can connect with a licensed vet via chat, call, video, or email—straight from the app.

Personalized activity goals

Set fitness goals based on breed, age, and weight. Track your pet's calories burned, distance traveled, minutes active, and more.

24-hour timeline

See where they went, who they were with, and for how long. Get chronological breakdowns of time spent running, playing, walking, napping, and more.

Key Features

GPS location tracking
AT&T's 4G LTE-M network
For all collars
Mounts to any collar
For larger dogs
For dogs 25 lbs. and up
For all conditions
Waterproof up to six feet
For safety
Includes built-in safety light
For all-day comfort
Weighs less than 1 oz.
For easy charging
Includes USB charging cable, no battery required
For constant connection
Location updates every 15 seconds

Size Guide

XS/S
NECK SIZE: 8"- 11"

FOR DOGS: 5-25 lbs

BREEDS LIKE: Russell Terrier, Dachshund
S/M
NECK SIZE:12"- 18"

FOR DOGS:10-55 lbs

BREEDS LIKE:Beagle, Cocker Spaniel
M/L
NECK SIZE: 16"- 24"

FOR DOGS: Up to 75 lbs.

BREEDS LIKE: Labrador Retriever, German Shepherd

How To Measure:

Grab a string, shoelace, or paper strip to measure the base of your dog’s neck.
Measure the circumference, leaving room to fit two fingers (about 1.25-1.5’’).
Select your size using the guide below. Between sizes? We suggest sizing up.