The Plantronics Calisto 610 is a portable speakerphone in black color, designed in a cube shape with smart touch control features. It has Bluetooth connectivity and USB audio inputs, making it compatible with Microsoft products. The speakerphone comes with a generic box and has a sleek and compact design, making it easy to carry around for on-the-go meetings or calls. With a power output of 1W RMS, the Plantronics Calisto 610 offers high-quality sound in a portable package.