Brand N/A Model B05 Quantity 1 Color Black Material ABS Connector Type USB 2.0 Port Number 2 Transmission Rate 56KB/S Supports System Windows (9898SEME2000XPVistawindows 7) Other 56K Data/Fax modem with USB interface; Compliant with ITU-V.92V.90V.34V.32bisV.32V.22bisV.22V.23V.21Bell212A103; Data error correction: V.42LAPMandMNP2-4; Data compression: V.44V.42bisandMNP5; Command system: EIA / TIA578 Class1 compatible with HaysAT command set; Flow control: Software (XON/XOFF) or Hardware (RTS/CTS); Dial mode: Audio pulse; Quick lightning protection circuit; System requirements: Celeron300 or PentiumMMX266 above; Driver supports Windows 98 98SE ME 2000 XP Vista 7 Packing List 1 x Modem (10cm) 1 x Telephone line (95cm) 1 x Driver CD 1 x English user manual