DESC: Wireless Headset Uses 1.9ghz, Dect 6.0 Technology, Resulting In Low Interference, High Audio Quality And Enhanced Voice Security. Multi-layered Security System Ensures Secure Conversations. Volume Controls Include Receiver Adjustment And Transmit SEtting. Peakstopt Protection Guards Against Sudden Volume Spikes. Also Features Multi-unit Conferencing Capability (up To Four Callers) And Support For Electronic Hook Switch. Interchangeable Earhook And Headband Wearing Styles Enable All-dayComfort. Dual Earpieces. Global Product Type: Headsets-binaural; Headset Type: Binaural; Headset Style: Over The Head; Earpiece Type: Leatherette Ear Cushions. includes Headset, Base, Charger, Phone Connection Cord And User Manual.