USB WP-03 is a wireless Dual phone which is composed of one base and one handset. The base is a high quality speaker phone, which is ideal for conference calls. The handset has blue back lighted graphic LCD. Device rings for incoming calls. You can make/receive a call via the handset without the limitation of USB cable, just like using a mobile phone. Wireless 2-in-1 VoIP+PSTN, up to 50 meters. 2.4GHz WIFI Band, suit for Europe, USA, Japan etc. Large graphic LCD with blue backlight. Support Skype. Features: Phone's 160-foot(50-meter) radio range enabling you to talk away computer. Fashion look and human design. Large graphic LCD and blue back-light. Contact list and calling history in any language easily reviewed on handset. Caller ID function. With speakerphone built in base, ideal device for conference call. Base works as charging station for handset. Noise reduction and digital echo cancellation. Both base and handset ringing for all incoming calls. Auto- ed RF channel for improved voice quality. Specification: Soft-phone compliant: Skype Hardware: Radio range: 50 meters (160ft) Standby duration: >100 hours Talking duration: >10 hours Battery: 460mAh(Li-battery) USB charged, no external power required Driver and sound card built-in System Requirement: Microsoft Windows 2000, Windows XP, Windows 2003 server, Windows Vista Minimum 400 MHz processor 128MB RAM and 15MB free disk space Open USB 1.1 or 2.0 port Any broadband Internet connection