Provides 8 hours of talk time and wireless convenience. Roam up to 300-ft. with secure conversations. HL10 lifter adds remote call answer/end capability. Noise-cancelling microphone filters out unwanted background noise. Comfortable ear cushions are ideal for extended use. Headset Type: Monaural; Headset Style: Convertible; Earpiece Type: Ear Cushion and Earloops; Earpiece Material: Leatherette.