Microphone. Compact design goes anywhere. Flat, tangle-free cable. Sound-isolating buds pump out rich stereo sound. Up to 4.5 hours of listening/talk time. Perfect for smartphones & tablets. Digital noise reduction for clear calls. Adjustable eartips & stabilizers for the perfect fit. Inline controls for calls & music. 2-in-1 USB (Universal Serial Bus) charging cable for earbuds & smartphone. ...

CS520 Over-the-head binaural headset. Hands-free productivity. Outstanding audio quality. Conference with up to three additional headsets. Power-saving features. Talk time: up to 9 hours. Headset weight: 94g. Wireless frequency: DECT 6.0. Range: Up to 120 metres. Audio Performance: Narrowband or wideband; up to 6, 800 Hz. Hearing protection: Sound Guard DIGITAL protects against sound levels above 118 d BA; Anti-startle detects & eliminates any large sudden increases in signal level; Time-Weighted Average prevents against noise level from exceeding 85 d BA. ...

Gain mobility
- multitask hands-free up to 120 metres. Audio controls volume/mute at your fingertips. DECT technology provides
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The CS500 series is setting a standard for wireless desk phone communications. Audio controls volume/mute at your fingertips. Multitask hands-free up to 120 metres. Conference in up to three additional headsets. Noise-cancelling microphone reduces background noise interruptions Enhanced Digital Signal Processing. Up to 9 hours of talk time. DECT technology provides better audio. Advanced wideband audio using CAT--IQ technology for high definition voice. ...

Plantronics CS540 & Lifter bundle. Convertible wireless headset. Lightest headset on the market
- only 21g. Streamlined design.
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CS540 convertible over-the-head or over-the-ear. Hands-free productivity. Outstanding audio quality. Conference with up to three additional headsets. Power-saving features. Energy efficient adaptive power system optimizes for range & talk time. Pair with a base unit by docking the headset, enabling quick setup in hot-desk environments. Use with Electronic Hookswitch Cable or Handset Lifter to remotely answer/end calls. Talk time: Up to 7 hours. Earpiece weight: 22g. Range: Up to 120 metres. For further information please call the Plantronics helpline on 0800 410014. Check compatibility at http://www.plantro.net/en/compatibility.html. ...

Wideband frequency response for a more natural sound. New T-bar support & floating' receivers for all day wearing comfort. Lightweight, stylish & modern design. Robust design & construction for exceptional reliability. Wide choice of models to meet personal preferences. Different versions available, with replaceable voice tube or noise cancelling microphone. Single-cable binaural or monaural receiver versions. Black with foam ear cushions or Silver with leatherette ear cushions. ...