Brand new and high quality.
USB specification 1.1 and 2.0 compliant
Supports RS232 serial interface
Supports over 1Mbps data transfer rate
Supports remote wake up and power management
Compatible with Windows 98/Se/ME/2000/XP, can NOT work for Vista.
This product used CH340 Chip,please know it .

Package Included:
1x  USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor Blue