The Eartec HUB7SMXD UltraLITE 7-Person HUB Intercom System includes one HUB Mini Base Station, six UltraLITE Single Remote headsets, one Max 4G Double headset, seven LX600LI lithium batteries, an eight-port charger, and a large soft-side case. It is designed to accommodate seven-person crews who need to communicate wirelessly while simultaneously working with their hands. This system is designed to work in the United States. The Hub is designed to extend the range of your existing Eartec wireless system by over 1000', and moreover, to be portable; you can wear it on a belt, and thus allow your hotspot to travel with you, or place it in a single, changeable location. The UltraLITE single and dual headsets works in conjunction with the Hub for controlling the voice communication between users. They provide two-way voice communication and the microphone arm can swivel 270°. The Max 4G Double headset features a noise cancelling microphone and a boom arm with internal switch that automatically mutes when placed in an "up" position. Manufacturer Included Items: Eartec HUB Mini Duplex Transceiver Base for 1 Plug-In & up to 8 Wireless UltraLITE Headsets (USA) 6 x Eartec UltraLITE Single-Ear Remote Headset with Rechargeable Lithium Battery (USA Version) Eartec Max 4G Double Headset with Dual 3.5-2.5mm Connectors Eartec 8-Bay Multi-Port Charging Base Eartec Large Soft Padded Case for Select Hub Series Headset Systems Bundle Item Includes: Goby Labs Headphone Cleaner Goby Labs Mic Cleaner 6AVE Electronics TM MicroFiber Cleaning Cloth