The audio playback on your laptop and smartphone isn't impressive. With the intelligent USB/Bluetooth conference speaker Poly Sync 20, you sound professional and ensure great conferences and music enjoyment anywhere. Take it with you wherever you go - the battery lasts for hours and can even charge your smartphone. You will always understand your conversation partners and be understood as well. The multimedia-quality sound is a true delight for music lovers. It has been specifically designed for the modern employee, featuring a sleek, compact design and smart functions that make conference calls a breeze.