usb phone for sell

As a mouse:
1.5m USB cable (USB 1.1)
800 dpi optical sentor
As a Hi-Fi Speaker:
Crystal clear sound quality
48 KHz sampling rate
Supplied earphone to protect your privacy.
As a VoIP Phone:
Auto detection between mouse and VoIP phone
Seamlessly integrated with Skype, VoipButser, VoipStunt, VoIPCheap, VoipDiscount, SparVoip, Internetcalls, poivY, WebCallDirect, VoipCheapCom, FreeCall and NetAppel.
Seamlessly integrated with X-TAPI Lite/Pro and BeyondTel's SIP Softphone
Monochrome 128*64 pixel LCD with backlight. Supports all kinds of languages
VoIP Contact List, Call List, Call history, time, and caller ID display on LCD screen
Hands-free speakerphone function
Various chord music ring tones catering to different tastes.
Fully functional keypad and LCD screen enables you to make/receive calls without using keyboard and mouse.
Rings loudly on an incoming call.
Acoustically isolated earpiece and microphone to eliminate echo.
Full-duplex communication with crystal clear voice