Jabra Engage 40 (Inline Link) USB C UC Mono Ground coffee making it a great eco friendly making it a great eco friendly Together with lower power consumption along with a powerful 2 microphone system Volume Product colour Black Headset type Monaural Recommended usage Office Call center Wearing style Head band Product type Headset Ports & interfaces Bluetooth Yes USB connector USB Type C USB connectivity Yes Connectivity technology Wired Headphones Noise canceling Yes Driver unit 2 cm Headphone frequency 50 20000 Hz Ear coupling Circumaural Maximum input power 30 mW Microphone Number of microphones 2 MEMS (Micro Electro Mechanical System) microphone Yes Microphone sensitivity 38 dB Microphone frequency 100 14000 Hz Microphone type Boom Operational conditions Storage temperature (T T) 5 55 °C Operating temperature (T T) 10 55 °C Weight & dimensions Weight 45 g Height 54 mm Depth 160 mm Width 167 mm Packaging data Package height 249 mm Package depth 50 mm Package width 185 mm Packaging content Safety sheet Yes Warranty card Yes Other features Digital Signal Processing (DSP) Yes