Saramonic WiTalk9-6S 6-Person 1.9GHz Full-Duplex Wireless Intercom System with 500m Range, expandable to 30 Users, 12 Batteries, 10-Bay Charger & case

6-Person 1.9GHz DECT Wireless Intercom System with True Full-Duplex Hands-Free Operation for Professional Team Communication Lightweight and Comfortable Headsets with IPX5 Water Resistance, Level 3 Wind Protection, Gooseneck Mic Lever or Button Muting, Volume Control, and Cooling Gel Over-Ear or Foam On-Ear Earpads Dual-Antenna design for an Industry Leading 1640-feet (500m) line-of-sight Range. AGC Noise Cancellation and Encryption ensures Secure, Stable, and Clear Communication Scalable Hub-Less Expandability to up to 30-People with Wired Cascading, BT or Wired connection to Computers and Mobile Devices for Remote Team Communication through Meeting Apps and Phone Calls Up to 15-Hours Remote / 9-hours Master Headset Runtime on Single Charge with 12x Quick-Release Batteries Included, 10-Bay Charger, and USB-C Powering