usb headset with microphone noise cancelling & audio controls, wideband computer headphones for business uc skype lync softphone call center office, clearer voice, super light, ultra comfort callez <b>30 days money back & 1 year worry-free guarantee. </b><br><br> <b>callez, make calls easier!</b><br><br> callez is a professional communication headset provider. with our excellent qc and service team, we provide our customers with high quality hands free telephone headsets for call center, telemarketing, office and home base, including headsets for landline telephone, cordless dect phone, cell phone, computer...etc.<br><br> <b>crystal clear calls: </b>business-grade wideband usb headset, digital signal processing (dsp) and noise-cancelling mic for crystal-clear conversations, acoustic shock protection(asp) to protect your hearing.<br><br> <b>most comfort headset: </b>ultra lightweight usb headphones with adjustable headband to fit all head sizes, a flexible boom mic to suit your preference, soft and high quality ear cushion enhance all-day wearing comfort.<br><br> <b>ultra durable headset: </b>precision design, quality plastics, uni-body headband construction, flexible metal mic boom make this single ear usb skype headset with mic more durable and sturdier. compete with plantronics or jabra high-grade office headsets.<br><br> <b>simple audio controls: </b>plug and play, no drivers needed for pc, computer, laptop, mac...usb compatible devices. convenient in-line controls, easy to adjust this computer headset volume up/down, mute/un-mute the microphone or speaker. <br><br> <b>2-year warranty & wide compatibility: </b>45 days money back & 24-month worry-free. works with windows 2000/7/8/10/xp/vista, mac os x and most leading uc platforms, softphone. ideal for skype chat, business, call center, conference calls, dictation, dragon speak, online courses, webinar presentations and more.<br><br>