Enhanced Noise Reduction with Dual Microphones Dependable 1.9 GHz DECT 6.0 Technology Cable-Free Headset for True Wireless Experience Dual-Ear Design for Comfortable Fit Clear Audio Performance with Wide Frequency Range Extended 2-Way Communication Range of 1100' Convenient Mute/PTT Button or Rotating Boom for Muting Two Included Li-Ion Batteries for Prolonged Use Functions as transceiver Compatible with Solidcom C1/C1 Pro remote headset