1. 2.4G ISM Band (2400~2483MHz), Support Skype
2. Commercial grade high quality speakerphone with digital echo cancellation
3. Large graphic LCD with blue color backlight
4. Multi-language caller ID display feature
5. Review Skype contacts and call list on handset LCD
6. Both base and handset ring for all incoming calls.
7. Auto-select RF channel to improve the quality of voice
8. Radio range: 15 meters(48feet) or 50 meters(160feet) 
9. Standby time: over 100 hours;Talk time: over 10 hours
10. Driver and soud card built-in, no driver and sound card required
11. Also support  X-Lite, X-Pro or eyeBeam, MSN,Yahoo, VoipBuster..., Globe7, MynetFone, PeopleFone, Net2phone, Nortel ,SJphone  etc.