For sale: Synco Xtalk X5 device, supports internal wireless communication (intercom), designed for communication between 5 users simultaneously. It operates on digital frequency technology (2.4) GHz and features a hub-free design where any headset can act as a "master". The operating range reaches up to 350 meters (line of sight) and offers features such as noise cancellation, full-duplex audio communication, and a (3.5) mm port for external audio monitoring. The device is new and unused. All its accessories are present.