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 during every call, thanks to the bass reflex system with two passive membranes for natural voice reproduction and deep bass. Work on the go all day: the battery lasts up to 20 hours. Keep your smartphone always charged and ready to use. Slim and portable, with a case. Works with computers via USB and with smartphones via Bluetooth. IP64 protection class (dustproof and splash-resistant).