Professional audio quality goes wireless with Poly 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) 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.