Description The PHONUM speakerphone is an ideal solution for mobile conferences over the internet in the office or at home. The primary operation is via Bluetooth with a PC, laptop or smartphone. In addition, it has a USB port as a secondary interface, so that the device can be used even with poor radio communication. PHONUM allows small conferences, including video or teleconferencing, with participants at remote locations. In the office or conference room on site, The maximum number of participants is eight. This speakerphone is powered by a lithium-ion battery, which can be charged through its built-in USB port. If necessary, the device can also be operated via USB, The battery is then charged parallel to the application. This device is operated via capacitive touch sensors with which the user accepts or ends calls, increases or decreases the volume, selects the Polar pattern, and can mute or activate the microphone.Clear voice transmission gain from excellent voice quality with the 360′ arranged microphones throughout the entire room. The PHONUM speakerphone features three aligned premium microphones capsules to ensure clear voice transmission on the highest quality level. This your team, Your spirit, Your beyerdynamic: we know how important audio is for a fluent conversation. PHONUM opens up a new Horizon of communication. Teams around the globe can meet up anywhere, anytime. It feels like being at the same place. Everyone is being heard due to excellent audio quality. PHONUM is a light, compact and portable spaekerphone; ideal for various huddle rooms or business trips.