Hollyland C1PRO-DH02 Dual Ear ENC Wireless Intercom Remote HeadsetFeaturing dual mic Environmental Noise Cancellation (ENC) for use in loud environments, the Hollyland Solidcom C1 Pro Wireless Remote Headset Dual Ear is a full duplex DECT intercom headset engineered to provide clear audio and all day wearing comfort in a true wireless design with no bodypack or hub required. This dual ear remote headset is sold without a master headset, allowing you to expand an existing Solidcom C1 or C1 Pro system or replace a