Hailege 2pcs USB 2.0 to RS232 Chipset CH340 Serial Converter 9 Pin USB 2.0 to R
Specifications: Color: Blue Plug Type: USB 2.0 to 9 Pin Male RS232 Iterface: RS232 Chipset: CH340 Size: 67*37*17mm Package Includes: 2* USB 2.0 to RS232 Chipset CH340 Serial Converter 9 Pin Adapter for Win7/8.