WiTalk9-3S 3-Person 1.9GHz Full-Duplex Wireless Intercom System with 500m Range, expandable to 30 Users, 6 Batteries, 6-Bay Charger & Case

3-Person 1.9GH z 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 6x Quick-Release Batteries Included, 6-Bay Charger, and USB-C Powering