USB VoIP Phone with LCD dot matrix display and Backlight. USB 2.0. Volume adjustment. Key Features:1) USB 2.0 supported2) With HID (Human interface Device)3) With PID (Physical interface Device)4) ALED to indicate power and linking status5) Supports Skype, MSN, Xpro, Net2Phone, X-Pro, eyeBeam, Firefly, ICQphone, Yahoo Call Center, etalk, 6) Echo cancellation, noise reduction, and full duplex ...