Yealink USB-M3K20 telefono voip memory usb (1gb) compatible con skype, voipbuster

USB-M3K20 (Telefono VoIP memory USB (1GB) compatible con Skype, VoipBuster, MSN Messenger, Yahoo! Messenger, Sjphone)- Plug and play, Memory inside ideal for traveling with VOIP- 2-in-1:USB Phone &amp, Memory in one- Multi-storage can be chosen:128M/512M/1G/2G- pluy and play, easy to use&nbsp,Phone Feature- 2-in-1,use phone &amp, memory in one- Multi-storage can be chosen:128M/512M/1G/2G- Built-in sound card driver- LED light indicates the status of the USB phone- Plug and Play and easy to use- With headset, free your hands- Echo cancellation, noise reduction, full duplex communication- Supports PC-to-PC, PC-to-Phone and Phone-to-Phone operation modesPhysical Features- Dimension: 11mm x 21.5mm x 78mm- Weight: 0.015kg- LED: Yellow light indicating power on- One Headset jack- Operation voltage: 4.5-5.5V- Power consumption: Suspend mode &lt,52mA- Operating&lt,110mA- Operating Humidity: 10~95%- Operating Temperature: 0 C~60 CSystem requirement- Windows 2000/XP/Vista- 400 MHz processor and free USB1.1 or USB2.0 port- 128 MB RAM and 15 MB free disk space- Internet Connection (33.6 Kbps modem, or any broadbad: cable, ADSL.)