The Plantronics Calisto P610 USB Portable Speakerphone in black is a compact and versatile communication device suitable for Microsoft systems. With a sleek cube-shaped design, it offers Bluetooth and USB connectivity options for easy setup. This portable speaker system by Plantronics features touch control functionality, making it convenient for everyday use. The lightweight design and 1W RMS power ensure clear and powerful audio for your calls or meetings on-the-go.