Jabra Evolve 20 MS Mono GSA4993-823-109 Single Ear Evolve 20 Wired On Ear Mono Headset with Noise Cancellation Microphone, Black

Jabra Evolve 20 MS Mono GSA4993-823-109 USB-A Connector Single Ear Evolve 20 Wired On Ear Mono Headset with Noise Cancellation Microphone, Black Cord Length: Control cable: 95 cm/37.40 in, HS cable: 120 cm/47.24 in Power Source: Rated Input 5mW @0.4V, max input 10mW @0.56V Headphone Frequency Response: 150Hz~7kHz, @Output S.P.L -10dBB Headphone Input Impedance: 32 +/- 4.8 ohm, @ 1.0kHz Headphone Sensitivity: 93.6dB SPL @ 1kHz Weight: 3.67 oz. Microphone Frequency Response: 100Hz ~ 10kHz @ 6dB Microphone Sensitivity: F=1kHz, Pin=1Pa, 0dB=1V/Pa, Min=-48dB, Max=-44dB