... ,ear phone usb phone ,skype mouseUSB PhoneProduct CodeBD-PC011. Auto detection between mouse and VoIP phone2. Seamlessly integrated with Skype, VoipButser, VoipStunt ... pixel LCD with backlight. Supports all kinds of languages4. VoIP Contact List, Call List, Call history, time, and ... Full-duplex communication with crystal clear sound.12. USB interface PnP. No external power/sound card needed.