Key Features Wide Frequency Response for Clear Audio True Wireless Headset, No Bodypack Comfortable to Wear All Day Long 1000' 2-Way Operating Range DECT 6.0 for Stability and Security Instant Pairing, Easy to Use Acoustic Echo Cancellation Includes Batteries and Charger Expandable System In the Box Solidcom C1-6S Full-Duplex Wireless DECT Intercom System with 8 Headsets (1.9 GHz) Master Headset 3 x Follower Headset Charging Case 8 x Over-Ear Leather Cushion 8 x On-Ear Foam Cushion 8 x Mic Windscreen 16 x Battery USB Type-A to USB Type-C Cable Power Adapter Storage Case