Eartec - UltraLITE Pro16 Remote (1 oreille) SST and the headphone jack is

and the headphone jack is a simple

This is a Remote headset that will only work with a Main headset

Main headsets cannot be used with the HUB

Range: 300 meters in open space

Eartec - UltraLITE Pro16 Remote (1 oreille) SST and the headphone jack isThe UltraLITE Pro16 all in one wireless headsets can connect up to 16 users in full duplex without a base station or hub. Designed with an ultra fast microprocessor that provides two simultaneous hands free communication channels, the Pro16 allows separate groups to talk privately. more (link coming soon). Cannot be used alone. This headset can only work with one or more other Main and Remote headsets from the Eartec UltraLITE Pro16 series. Technical