plantronics s12 corded telephone headset system
the plantronics s12 telephone headset system offers hands-free convenience and comfort and includes a 2-in-1 convertible headset for over-the-head stability or over-the-ear convenience a noise-canceling microphone for superior sound clarity and the firefly in-use indicator light that lets others know you are on the phone . with a 5.75-by-9 .0 - inch footprint the s12 fits easily onto available desktop space while a headset stand provides a convenient resting place for the headset . plantronics s12 telephone headset system over-the-head and over-the-ear configurations noise-cancelling microphone call clarity technology volume and mute controls convenient headset stand compatible with single and multi-line phones clean design and hands-free convenience the s12 is a complete telephone headset solution for those looking for hands-free convenience with clean uncluttered design . s12 is a corded headset that includes a firefly in-use indicator headset and a stylish adapter which connects to your telephone . the s12 is compatible with the majority of corded business telephones through the use of a slide switch and microphone level controls . it s compatible with both single and multi-line phones for application flexibility . the s12 fits easily onto available desktop space with convenient headset stand . view larger volume and mute controls on the s12 keep you in control of the audio during the call . an extended boom and noise-canceling microphone filter out background sounds for heightened speech clarity . get the audio quality of corded handsets while keeping your hands free to type or take notes . exclusive firefly in-use led indicator the firefly in-use indicator headset is unique to plantronics and features a bright led that flashes when you are using the headset to make a telephone call . it is prominently situated near the headset microphone to ensure your colleagues are aware that you are using the telephone . two wearing styles for total comfort the headset features two wearing styles a conformable earloop and an adjustable headband with a behind-the-head neckband as an optional extra . enjoy the convenience of an over-the-ear design or the stability of an over the head design for maximum flexibility . add hands-free capability to any desk phone the s12 s adapter connects to your telephone . the adapter includes features such as headset handset switch volume control and mute control for your listening comfort . the adapter can either be powered using batteries or by an optional power supply unit . technical specifications weight over-the-head 41 grams over-the-ear 18 grams frequency range transmit 100 to 4000hz receive 200 to 4000hz noise cancellation 10db acoustic limit 24dbpa what s in the box headset amplifier ac power adapter cord phone to amplifier