The Expand SP30 is a portable speakerphone that can be used with laptops, tablets, desk phone/PCSoftphone, and mobile phones for conferencing or multimedia and music listening. It provides up to 18 hours of untethered use and offers notable features like noise-canceling capabilities with DSP (Digital Signal Processing), access to voice assistant via a dedicated button, and duplex performance. Ideal for personal conferencing use but can support huddle spaces or small/medium rooms with its reach of up to 25-meters range.