ü 12 classical 4-polyphonic ring tones catering to different tastes. ü Rings loudly on an incoming call. ü Fully functional keypad enables you to make/receive calls even easier. ü Red Power LED and green Status LED. ü Acoustically isolated earpiece and microphone to eliminate echo. ü Full-duplex communication with crystal clear sound. ü USB interface PnP. No external power/sound card needed. ü Seamless integration with SkypeTM and QQ. ü Supplied hands-free earphone. ü Easy-to-used mute key. ü Handy, chic, and portable for notebook PC. ü Adjustable volume for earpiece and ringer. ü Also compatible with many other PC-based softphone applications, such as MSN, Yahoo Message, Xten, Dialpad, MediaRing, Net2phone and etc.