SIIG Model JU-CS0111-S1 25 USB to Serial Adapter Cable M-M Type: USB to Serial Type: Others Color: Blue Connector / Silver Cable Connector Number: 2 Connector Detail: 4-Pin, USB, Type A, Male 9-pin, RS-232, DB-9, Male Specifications: Compliant with USB specification, revision 1.1 Supports data transfer rate up to 500 Kb/s Product weight: 1.6 oz (45 g) Certifications/Standards: FCC, CE, RoHS Requirements: Desktop or notebook computer with an available USB port Windows 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) / Server 2003 & 2008 (32-/64-bit) / 2000