Sandberg SpeakerPhone Bluetooth+USB

USB-C interface (cabled)
Bluetooth 5.1
USB Bluetooth dongle, supporting up to 10 meters range
Built in battery: 2200 mAh
Talk time: 8-10 hours
4-unit Omni-directional microphone with 360° sound pickup
Coverage: Up to 3 metres
Frequency range 20Hz – 20kHz
Mic sensitivity: -32dB
S/N ratio: >70dB
Output power: 4W
5 click keys
LED status indicator