Feature:1. Up to 500M Communication Range: 2 high-gain external antennas greatly boost the transmission signal of XPro headsets, delivering a 500m reliable connection range between youand your crew. No matter film shooting, sportive live events, company holiday parties,industry conferences or professional seminars, we've got you cover!2. Smart 2.0 AEC Spaning from 150Hz to 7KHz: Xtalk XPro features advanced AEC technology, eliminating echoes, reverberation, and unnecessary ambient noise. Even in noisy environments, it ensures clear recognition of voices, guaranteeing precise and accurate conversations.3. Supercharge the Signal with Boost Mode: The breakthrough feature by SYNCO called Boost Mode allows for intelligent spectrum switching at the click of a button. Signals are instantly multiplied, effectively enhancing communication quality with ease. Say goodbye to weak signals during calls, through-wall communication issues, and complex signal interferences.4. Selectable Master For Communication Flexibility: Elevate group communication dynamics with SYNCO's groundbreaking Master Free Algorithm, which allows the flexibility to designate any headset as the master device, ensuring uninterrupted sessions without battery concerns. Assemble a group of 2 to 13 people for any conversation topic of your choice.5. Connect All Day With Rechargeable Batteries: Low-power design and powered by rechargeable and replaceable batteries, Xtalk XPro ensures you to easily power up your headset for working over 24H, while the 1050mAh replaceable battery feature allows you to swap in a fully charged backup. Stay connected and communicative throughout your day, confident in the reliability of the Xtalk XPro efficient battery system.Specification:Wireless Technology: Digital 2.4GTransmission Mode: Full-DuplexOperating Range: 500m (LOS)Frequency Band: 2.4GLatency: About 120msApproximate RF Sensitivity:<-90dBmRadio Output Frequency: 20dBmPower: USB-C DC 5VBattery Capacity: 1050mAhWorking Time: 24HCharging Time: About 2.5HFrequency Response: 150Hz~7KHzOne-click Noise Cancellation: SupportsSignal-To-Noise Ratio: >65dBDistortion: <1%Microphone Type: Condenser MicrophoneMax Input Sound Pressure Level:>115dBSPLOutput Sound Pressure Level: Typical 98+3dBSPL (at 94dBSPL 1KHz)3.5mm Input: Available for MonitoringTemperature Range: 0-45(Working Status) -20-60(Storage Condition)Weight: About 194g (Battery Included)Package List:2 * Wireless Headsets2 * Batteries1 * Charging Station1 * Charging Cable2 * Mic Windshields2 * One-ear Foam Cushions1 * User Manual2 * Storage Bags