Personal, intelligent USB/Bluetooth smart conference speaker. Focus on your voice, not background noise – with a controllable array of multiple microphones for echo and noise reduction. Participants can speak simultaneously and naturally in full-duplex audio without missing a word. Achieve more with ease. This portable conference speaker doubles as a portable charger and a powerful music speaker – all in one. Enjoy greater clarity on every call thanks to the bass reflex system with two passive membranes for natural voice reproduction and deep bass. Work mobile all day: the battery lasts up to 20 hours. Keep your smartphone charged and ready to go. Slim and portable, with a case. Works with computers via USB and with smartphones via Bluetooth. IP64 protection class (dustproof and splash-resistant).