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.)