USB 2.0 Dual Serial Convertors.

Specification:

• Compatible with USB Specification v1.1 and v2.0 (Full-Speed).
• Supports 2 port Serial ports at the same time.
• Supports all common RS-232 Serial Port.
• Automatic USB Protocol handling.
• Supports remote wake-up and power management.
• USB bus powered, no external power supply required.
• Prolific Chipset

System Requirements:

• Available USB port
• Windows 2000, Windows XP, Windows Vista, Windows 7, Mac 10.4/5