Professional audio quality goes wireless with Calisto 5300. This personal, portable speakerphone has Bluetooth and lets you sound your best wherever you're working-at home, remote or in the office. Every conversation is clear, thanks to the wide frequency response of an amplified speaker. Everything you listen to sounds amazing, too-think video, podcasts and music. Connecting to PCs and Macs (USB-A or USB-C) is simple and easy. Want long-lasting power or corded simplicity? Just plug in. An integrated USB cable is included . And no need to trade efficiency for working remotely. Microsoft Teams application can be invoked with the touch of a button. Now that's freedom.