Meet the first corded headset designed for unified communications thats as discrete as it is professionally sounding the headsets modular over the ear design can be worn with two ear buds for stereo or converted to one ear bud for mono use depending on the users preference the ultra discrete design and superior audio quality youve come to expect from plantronics make this headset ideal for video conferencing pc telephony and multi media applications with the blackwire 435 you dont hav