Product Description The UBH-100 is a high-quality USB Skype phone that enables user to get all benefits of Skype. Simply by plugging UBH-100 into the PC or laptop, the user can make/answer Skype calls, with wide band sound quality. Advanced echo cancellation DSP that enable the large speaker to provide loud and clear sounds. The sound from loud speaker which may feed back to the microphone are cancelled by the DSP so that the calling party wouldn't hear his own voice (or we call it echo). Friendly user interface provides dedicated buttons for answering call and muting microphone. Volume control knob and LEDs indicators for operating status. A USB extension port is available to help extending the USB port of PC. Applications Skype Phone USB audio speaker. Handfree VoIP phone Product Benefits Standard USB audio class device. Can work with Skype® application. Product Specification USB type USB Audio Class Device O.S. Microsoft Windows 2000/XP/vistal. Host USB port Mini USB connector Extension USB port Type A USB connector Loud Speaker 5 watts Buttons Answer Call, Mute microphone Volume Control Volume Control Knob LED indicators Handset present, In use, Mute Handset Jack RJ11 Ear phone jack Ø 3.5mm Audio Jack Ø 3.5mm Dimension: 135 x 78 x 26.3 (mm) Weight: 180g