Featrues

1. Support PC-to-PC and PC-to-phone
2. USB port 2.0/1.1
3. No need sound card
4. No need external power
5. Lower down the noise
6. Compatible with H.323, MGCP, SIP
7. Full-duplex communication
8. Button sound and in call sound
9. Support Skype platform and quick dail
10. Read and operate Skype friends, dial, call record, use phonebbok to dial