The Saramonic WiTalk-WT4D is a full-duplex wireless intercom system engineered to provide clear audio and all-day wearing comfort in a true-wireless design with no hub or bodypack required. This configuration includes 1 dual-ear master headset, 3 dual-ear remote headsets, 4 rechargeable batteries, 4 USB-C to USB-A charging cables, and a small watertight carrying case. The system provides reliable transmission to all the wireless headsets at a line-of-sight range of up to 1312'—making it well suited for a variety of applications, including public and sporting events, film and video production, project coordination, and much more.