Jabra 2393-823-109 Cablato Ufficio 150 6800 Hz Auricolare Nero Biz 2300 Duo /
Jabra BIZ 2300 USB MS Mono Headset. 150 6800 Hz. Audio Specifications : Frequency Response 70 16000 Hz Sensitivity 93 dB. Microphone Noise Cancelling : Yes. Microphone : Boom. Max Input Power : 10 mW.