Forget Master/Slave, Embrace Intelligent Mesh: With self-developed Mesh Talk Master-Free 2.0, SYNCO Xtalk Master wireless intercom headsets maintains a stable network automatically, even when users move out of range or briefly disconnect without any setup, ending the reliance on a single master unit that can cripple traditional systems. Multiple Groups, Parallel Collaboration: Xtalk Master intercom headset enables clear, focused communication with smart A/B grouping, allowing instant switching between Group A, Group B, or all channels without a phone. With the SYNCO Audio App, users can access advanced multi-group, private, and one-to-one communication, keeping teamwork structured, quiet, and precise. All-Day Power, Ready for Anytime: Each headset features a swappable battery lasting up to 15 hours, with an extra battery included for a total of 30 hours of continuous operation—perfect for all-day shoots, events, or work. The six-slot charging station keeps batteries ready and ensures you never run out of power. 500m Range with Pro-Grade Stability: Unlike ordinary intercoms, Xtalk Master wireless communication headset maintains up to 500m stable transmission and ultra-low 45ms latency even with multiple groups, thanks to its self-developed Master-Free 2.0 technology. Whether on a racetrack, city street, or farm, your words are heard clearly and in real time. Advanced Noise Cancellation with AEC Technology: Featuring ENC 2.0 technology, SYNCO XTALK Master eliminates echoes, reverberation, and ambient noise, ensuring clear voice recognition from 150Hz to 7KHz—even in noisy environments. Activate noise reduction with a single click for uninterrupted conversations. 3.5mm Real-Time Monitoring Port for Production Audio: Directly listen to camera or recorder output without interrupting the intercom channel. Simplifies audio workflows and reduces extra equipment needs. Synco Xtalk Master Wireless intercom System for Communication