Eartec UltraLITE 4-Person Full-Duplex Wireless Intercom with 4 Single-Ear Headsets

The UltraLITE headsets have the transceiver built right inside the ear-cup, eliminating headset wires and belt-worn radios. They provide two-way voice communication and the microphone arm can swivel 270° allowing you to wear the mic on the left or right side. Raising the mic boom into the up position automatically mutes the microphone. At a Glance Full-duplex wireless communication without a base station or beltpack Excellent performance with a range up to 1/4 mile DECT frequency: Digital 1900 MHz band is interference free Included LiPo batteries provide continuous 5-hr operation and are field replaceable Adjustable mic boom rotates 270 degrees, worn on left or right Auto mute: Mute microphone simply by moving the boom to up position Volume control: Simple Up/Down push button adjustment Water resistant: Silicone sealed for use outdoors in inclement conditions Deluxe padding: Headsets fit firmly yet comfortably for an 8 hour work shift Field programmable: Start small and add to you