Estamos dedicados a proporcionar a nuestros consumidores productos de alta calidad, funcionales y competitivos que ofrecen excelentes experiencias de audio y video para que las personas y los equipos puedan alcanzar sus objetivos y desempeñarse mejor. PolaTab - ¡Sé tu nuevo socio en la creación de conferencias y reuniones exitosas! SPEAK400 is a wireless conference speakerphone kit designed for use in various sizes of spaces, ranging from small to large conference rooms. It comes equipped with 3 microphones and 1 hi-fi speaker, and it is also possible to connect one expansion microphones to it, which can pick up your voice from far away. This speakerphone kit is integrated with advanced audio algorithms for echo cancellation, noise suppression, and gain control, which ensure that your voice is heard clearly. The SPAK400 supports flexible daisy chain connection, allowing you to connect another SPAK400 together via a daisy chain cable for expanded coverage in large meeting/conference rooms. It is compatible with the operating systems of Android, Windows, and Mac OS, iOS, and it can be connected either wirelessly or by USB cable. With PolaTab SPEAK400, communication is made much easier! Daisy-Chain Speakerphone Bluetooth Speakerphone USB Speakerphone All-in-One 4K Webcam All-in-One 1080P Webcam USB Microphone Does it have Bluetooth or wireless connection? Can it work with my Android cellphone or iPhone? Yes. It comes with Bluetooth wireless technology. Turn your phone's Bluetooth on and pair it with 'SPEAK400 USB&BT'. If you encounter any problems, feel free to let us know! Can this conference speaker and microphone be daisy-chained? Yes. This speakerphone supports flexible daisy chain connection. But you need to get two devices. How to set up the daisy-chain/cascading connection? Put first one SPEAK400 under connected - via USB or Bluetooth. Then, use a daisy-chain/cascade cable to connect another SPEAK400. It's easy, But if you meet problem, please read the user maual 'About the cascading'. And feel free to ask us! How about the noise reduction of this Bluetooth conference speaker? Can it remove all background noise? This conference speaker microphone can help you reduce some noises but it cannot remove all background/loud noise. Is this conference speaker and microphone full-duplex audio? Yes, it’s full-duplex audio. This product helps conference participants to communicate simultaneously in the meeting, which allows both parties to hear each other at the same time.