The Saramonic WiTalk-WT5D 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, 4 dual-ear remote headsets, 5 rechargeable batteries, a 10-bay charger with AC adapter, and a watertight carrying case.