Jabra Evolve 30 II MS Mono (5393-823-309) Single Ear Headset

Jabra Evolve 30 II MS Mono (5393-823-309) 3.5mm/ USB Connector Single Ear Headset Cord Length: Control Cable: 3.1 Feet HS Cable: 3.9 Feet Headphone Frequency Response: 150Hz - 7kHz, at Output S.P.L -10dB Headphone Input Impedance: 32+/- 4.8 ohm, at 1.0kHz Headphone Sensitivity: 93.6dB SPL at 1kHz Weight: 0.38 lb. Microphone Frequency Response: 100Hz - 10kHz at 6dB Microphone Sensitivity: F=1kHz, pin=1Pa, 0dB=1V/Pa, Min=-48dB, Max=-44dB