How to sign up for a Halo subscription March 30, 2021 20:45 Updated Environment: Halo Collar Answer You can learn more about the different subscriptions available at our Plans page. Related articles What is included in my monthly plan, and why is a plan required? How do I transfer my collar to someone else? When will I receive my collar? Will I get a shipping notification? How we respond to emails What is the difference between a Bluetooth, WiFi, or LTE / Cellular connection?