Plantronics savi w445
Wireless headset stereo pc headset design on ear type dynamic transmission modes wireless dect type of connection usb radio range 120 m operating time 7 h sound mode 10 hardware type of headphones earhook features volume control passive noise cancellation onoff switch functions mute dsp technology hearing protection function rechargeable microphone properties noise cancelling microphone material plastic weight 22 g included in delivery user ma