Feature:
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

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

Interface:
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. )