Poly Calisto 5300 USB and BT Speakerphone connects to a PC, laptop or Mac via a BT600 USB dongle and to mobile phones or tablets via Bluetooth.  It is designed for just 1 or 2 people, sitting within a metre of the unit. This version has a standard USB Cable/Bluetooth dongle connection and is certified for MS Teams. Regardless of your location and your timeline, you can now join the conversation anytime, anywhere. 

Get the perfect solution for audio conferencing on demand, with a compact and lightweight design, integrated USB cable management for quick set-up, and a protective travel case. The outstanding sound quality enjoys getting crystal-clear and natural sounding calls that allow attendees to hear and speak clearly across any location. Intuitive controls to answer/end, mute and adjust volume. Voice alerts for Battery high, battery medium, battery low, power on, power off, mute on, mute off, muted– with a microphone pickup range of 1 meter suitable for a small room of 1-2 people.