USB Handphone For Skype/Skype Phone/USB Phone 1) Cabling USB B-type connector 2) Standard Support Compliant with USB V1.1 3) Compliant with USB Audio Device Class Spec V1.0 4) Compliant with USB HID Version 1.1 5) Operating Humidity 5-95 RH 6) Operating Temperature 0-40 Celsius 7) CE,FCC Certificates approved 8) Skype me at comforalbort 9) CE & FCC Approval