Cordless conference system (speaker/microphone unit) with Bluetooth interface 2.0, battery charge level indicator (battery charging via USB connection), volume control, mute function, system requirements ST 40 (S0/UP0), ST 42 (IP), ST 45 (IP) each with BT module 40. Also compatible with various smartphones and PC systems (Win /Mac) for use as a hands-free device and/or audio device via Bluetooth.
