Wireless Bluetooth/USB Omni-Directional Pick up Conference Speakerphone Mircophone Wireless Speakerphone. Full-Duplex HD Audio: Deep echo cancellation and noise suppression provide high-fidelity audio for simultaneous speaking. Multi-Platform Compatibility: Works seamlessly with Android, iOS, Windows, Mac, Linux, and Chrome OS via Bluetooth or USB. Long Battery Life: Built-in 2400mAh battery supports up to 8 hours music playback and 6 hours of calls. Versatile Connectivity: Features USB, Bluetooth, and AUX ports for flexible connection to various devices. Built-in Recording & Transcription: Supports automatic transcription, cloud recording, and external device recording options. Touchscreen & Web Control: Equipped with a touchscreen control panel and web-based interface for easy management. Comprehensive Warranty: Includes 3-year warranty with free replacement of problem components for overseas customers.