USB-S1 Brochure Download:

Key Features:

  • Ideal for group conference, free internet call and music enjoyment.
  • Due to 48KHz sample rate, presenting CD-quality music and high fidelity sound.
  • HI-FI amplifier and high-quality speaker.
  • Full-duplex conversation, crystal clear voice.
  • DSP built-in for echo cancellation and noise reduction.
  • Adjustable volume and mute control.
  • Convenient for private conversations with ear-phone.
  • Ideal for travel because of small size and light weight.
  • USB 1.0 & 2.0 compatible, No driver required.
  • Mac and PC compatible.
  • Supporting all softphone, like Skype, MSN, Yahoo messenger, AOL, Vonage and VoIPBuster


  • No external power required.
  • USB power and mute microphone LED indicator.
  • Volume+, volume-, mute speaker and microphone buttons.
  • Driver and sound card built-in.


  • One USB interface to PC
  • One Headset jack

System requirement:

  • Windows 2000, XP or Vista
  • 400 MHz processor and free USB1.1 or USB2.0 port
  • 128 MB RAM and 15 MB free disk space
  • Internet Connection (33.6 Kbps modem, or any broadband: cable, ADSL.)

Created by: Yealink, Last modification: Thu 03 of Jan, 2008 (02:03 UTC)
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