How to synchronize a halo collar?

Ensure your Halo collar is charged. Have the Halo App installed on your smartphone. Enable Bluetooth on Your Smartphone Go to your phone's settings. Find the Bluetooth settings and turn Bluetooth on. Ensure that your phone's permissions allow the Halo App to use Bluetooth. The connection is managed exclusively through the app. If you are experiencing Bluetooth connectivity issues, please visit this article. If you have any further questions and would like to speak to our live support team, please feel free to reach out using the following article: How to Contact Customer Support and we'll be happy to help!