Convertible headset offers multiple comfort options. Noise-cancelling microphone blocks out background noise so your calls have better clarity. Features a versatile headset/amplifier system with firefly on-line indicator. Comfortable cushion and earloop provide a comfortable experience, even during longer sessions. Headset Type: Monaural; Headset Style: Convertible; Earpiece Type: Ear Cushion and Earloop; Earpiece Material: Leatherette.