Jabra PRO 9xx Spare Headset w/o Base

Spare headset for combination with an existing base station (Jabra PRO 920 or 930 mono) Supplied without wearing attachment (please order separately): Neckband: manufacturer's no. 14121-24 Headband: manufacturer's no. 14121-27 Ear hook: manufacturer's no. 14121-26 Without base station Important: This is a spare headset. The product will not work without an existing base station.