Solidcom C1 Pro - Solidcom C1 Pro 4Set DH(Double Earmuff)

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