Function: 1 Support caller ID. 2. Compliant with USB 2.0 specifications. 3 Small, lightweight, easy to carry. 4 Quick Connect (V.92), higher version, more powerful function 5 Easily and conveniently transmit and receive fax on your computer. 6 Experience high speed internet connection with this USB 2.0 data/fax external modem. 7 Support V.92 protocol, 56K download speed, 48K data upload, and fax mode of 14.4Kbps. 8 Operating System: Fits WINDOWS 98 SE, ME, Fits 2000, Fits X, Fits Vista, Fits Win7 Specifications: Condition: 100% Brand New Item Type: Data Modem Material: ABS Color: Black Package List: 1 x Data Modem 1 x CD Driver 1 x Phone Cable 1 x User Manual Note: 1 x Color may varies from photo. 2. Product measurements may vary slightly.