The Hollyland Solidcom C1 Full-Duplex Wireless DECT Single-Ear Master Headset has been engineered to provide clear audio and all-day wearing comfort in a single-ear, true-wireless design with no bodypack or HUB required. Included with the headset are two rechargeable batteries, a mic cushion, an over-ear earmuff, and an on-ear earmuff. This master headset can be paired with up to 5 remote headsets (available separately) without needing a HUB and uses DECT 6.0 encryption and dual antenna technology to ensure secure and reliable transmission at a range of up to 1000'—making it well suited for a variety of applications including film production, concerts, and public events.