HB-S1USBM Features: -Connecting Types:Usb -Earpiece Type:Full-Size Ear Cushions -Water Resistant Design:No -Vox Compatible:No -Voice Dial:No -Voice Dedicated Dect 6.0:No -Silver Microphone Tip, Voice Dedicated Dect 6.0:No -Quick Disconnect:No -Mute Button, Volume Control:No -Multi-Unit Conferencing Capability, PeakstopTM:No -Multipoint Technology:No -Multi-Layered Security System:No -In-Line Controls, Rotating Microphone:No -DuraflexiiTM Flexible Boom, Peakstoptm Technology:No -Digital Signal Processing Technology:No -Black Microphone Tip, Quick Disconnect:No -Adjustable Earpieces:Yes -Three Hundred Hours Standby, Design Your Own Cover:No -One Hundred Eighty Hours Standby, QuickpairTM Techn:No -One Hundred Twenty Hours Standby, Dsp, Intellitone:No -Global Product Type:Headsets-Binaural -Headset Style:Earhook/ Over-The-Head -For Use With:Usb Devices -Microphone:Boom Microphone -Color(s):Blue -Earpiece Material:Leatherette -Headset Type:Binaural. Dimensions: -Overall Product Weight:1 -Overall Height - Top to Bottom:8 -Overall Width - Side to Side:7