This is brand new. A set of 5 headsets and comes with everything as you’d expect, all boxed. This is NOT from China. The SYNCO Xtalk is a lineup of full duplex wireless intercom headset. The MasterFree Algorithm and 2.4GHz frequency guarantee seamless team-talk for up to 18 users. It uses AEC technology to eliminate background noises, features a LOS 350m communication range, and is portable and easy to use. All these make it the ultimate solution for efficient teamwork in filmmaking, live broadcasting, corporate events, and stage performances. MasterFree Wireless Intercom Headset System at 2.4GHz Frequency. The SYNCO MasterFree Algorithm allows any Xtalk headset to be set as the master headset. The 2.4GHz wireless frequency range ensures stable and reliable signal transmission. Unique One-Button Remotes Muting Function. The dominant mode allows the Mater to mute all Remotes. Press the Button B continuously, and Remotes can only hear what Master says. This ensures undivided attention on the Master’s dialogue. Expanded Team Communication to 350m Distance. The Xtalk features a reliable LOS communication range of up to 1,100ft (350m). The SYNCO Quick Re-Link Tech ensures instant re-connection without walking far. Experience-enhancing AEC Spanning from 150Hz to 7kHz. The Xtalk is equipped with advanced AEC technology to ensure crystal-clear audio even in noisy environments. The One-Button design allows you to activate the noise cancellation function at the press of a button. Wireless Intercom Headset with 3.5mm Real-time Monitoring. The Xtalk headset has a 3.5mm port for real-time audio monitoring. This allows you to communicate with your team while monitoring audio from devices like cameras and recorders. Connect All Day with Rechargeable and Replaceable Batteries. The Xtalk adopts a low-power design and is powered by 1050mAh rechargeable and replaceable batteries, allowing it to work for up to 24 hours. The 2-Slots charging station can power up the charging efficiency. Optimized Portability and Durability for On-the-go. Crafted from lightweight ABS materials and smooth leather, each Xtalk headset weighs only 188g (6oz) with the battery included, ensuring comfort during extended use. Unlimited Connectivity for up to 18-Person Group Communication. With SYNCO GroupSync Plus Tech, Xtalk device can be upgraded via OTA updates to support up to 18-person group connections without the HUB.