Hollyland Solidcom C1 Pro 6x Kit

Push-to-Talk Wireless Intercom: Beyond the Walkie-Talkie Experience
24-hour Long Duration: Each Headset comes with an Extra Battery-Never Run Out of Power
Active Environment Noise Cancellation
Up to 1100ft (350m) Transmission Range
Full Duplex Communication
Backward Compatible with the First Generation Solidcom C1