MB Pro1 ML Bluetooth Single-sided Headset with Dongle and Lync Wireless Type: Bluetooth Part: 506043 Operating Time: Talk time: Up to 15 hours Distance: Up to 25 m / 82 feet (device dependent) Headphone Frequency Response: 15Hz-15KHz Weight: 2.22 oz. Microphone Frequency Response: 150Hz – 68KHz Color: Black
