Up to one other person can communicate via intercom with the Cavalry Lite Bluetooth Helmet simply by pairing their headsets.
1. Press and hold the Center Buttons of two Bluetooth Modules for 5 seconds until you hear the voice prompt, “Intercom pairing.”
2. Tap the Center Button on either Bluetooth Module and wait until the LEDs of both turn blue.
The only difference is about Intercom (two-way with 100 meter distance).