The Hollyland Solidcom C1 Pro Remote Headset HL‑C1PRO‑SH02 is a true-wireless, full-duplex DECT 1.9 GHz intercom headset delivering clear voice communication up to 1,100 ft (350 m) line-of-sight. It features dual-microphone Environmental Noise Cancellation (ENC), ergonomic modular design, interchangeable ear cushions, and hot-swappable batteries with up to 10 hours runtime—ideal for live production, broadcast, and event teams.