Each one is a mainframe
One-Button Clarity
Dominant Mode
Expanded to 500M Distance
Connect All Day
Lightweight
Real-time Monitoring
Auto-pairing
Ajustable headband
Auto-pairing after power on
Rotate the boom arm up/down to mute/unmute
2.4Ghz Frequency
The Low power consumption wireless intercom headset system equipped with the convenient and stable 2.4GHz frequency.