The plantronics supraplus wireless monaural headset offers call centre and office professionals flexible all day wearing comfort with the ability to answer and end calls up to 100 metres from their desk with the hl10 lifter the unique quickpair feature allows multiple headsets to share one base for effective hot desking dect technology provides excellent sound quality and 64 bit digital encryption means that calls are secure the monaural earphone offers peripheral hearing while the noise