Jabra Evolve 20 Mono MS

Headset Jabra Evolve 20 Mono MS, 28mm driver, 150Hz-7kHz, 32 Ohm, 93.6db, 132g., Foam ear cushions, Busylight, 0.95+1.2m, USB, Black. PN; 4993-823-109Box content Jabra Evolve 20/20SE Headset, USB Controller, Evolve 20 with foam ear cushions/Evotve 20SE with leatherette ear cushions, documentationPackaging dimensions LxWxH 23x18x3.5crrV9.O6x7.O9x1.38inMain unit dimension Mono: 149.6x59.5x170.1 mm/5.88x2.3x6.7 in Stereo: 151.2x59.5x170.4 mm/5.9x2.3x6.7 inWeight including main wearing style Stereo 0.132 kg/4.66oz Mono 0.104 kg/3.67 ozMaterial used Soft headband and comfortable on-the-ear foam ear pads. Evolve 20SE varian comes with leatherette ear cushionsWarranty 2 yearsJabra Direct/Jabra Xpress YesJabra Sound* NoLED features and functions Busylight, incoming calls, Teams notifications*Headset bandwidth WidebandSpeaker size o28x 3.9mmSpeaker sensitivity 93.6dBSPL@1kHzSpeaker impedance 32+/-4.8Q, @ 1.0kHzSpeaker max input power Rated Input 5mW @0.4V, max input 10mW @O.56VSpeaker frequency range 150Hz-7kHz, @Output S.P.L-10dBBSpeaker bandwidth Speak mode 150Hz-7kHz, @Output S.P.L-10dBMicrophone type Electret condenser (ECM)Microphone sensitivity F=1kHz, Pin=1Pa, 0dB=1V/Pa, Min=-48dB, Max=-44dBMicrophone frequency range 100Hz- 10kHz @6dBMicrophon