Synco X-talk X5 Wireless Intercom System With 5 Single-ear Headsets

5 Single-Ear Headset, No Hub Needed 1640' Transmission Distance Full-Duplex, Use Any Headset as Master Expandable to 13 Headsets Up to 24-Hour Battery Life, 3.5mm Monitor Jack AI Audio Echo Cancellation (AEC) 2.0 Compatible with XTalk X & XMax True Wireless Headset, No Bodypack Rechargeable Batteries, Charging