1.The World First VOIP Mouse with OLED Display And speaker Mouse

2.build-in mic.and speaker,can play music in your compute

3.handfree phone function

4.independent sound chip to handle softphone VOIP voiceQuailty

5.Only one USB cable to handle both Mouse and Phone

6.OLed display screen with keypad(option)

7.Dot matrix caller-ID

8.Volume control

9.800 DPI Optical sensor

10.Auto detection(or manual switch) between Mouse and phone

11.USB1.1 Interface pnp.No EXTERNAL power/sound card required

12.High quality for full duplex communication

13.Handy,style,portable for notebook&pc