1、It is made of premium material,durable and has long service life. 2、It is stable and has great performance while using. 3、This is a multi-functional USB serial port converter, you can use USB to RS232, USB to TTL232, Pro mini download. 4、Drive chip is CH340C, RS232 bus chip is SP232 of industrial level. 5、It can support a wide range of operation systems,very practical and convenient. Features: It is made of premium material,durable and has long service life. It is stable and has great performance while using. This is a multi-functional USB serial port converter, you can use USB to RS232, USB to TTL232, Pro mini download. Drive chip is CH340C, RS232 bus chip is SP232 of industrial level. It can support a wide range of operation systems,very practical and convenient. Specification: Size:36*14*12mm/1.42*0.55*0.47in Weight:7g/0.25oz Operation System Supported: Fit for Windows 98SE Fit for Windows ME Fit for Windows 2000 SP4 Fit for Windows XP SP2 and above (32 & 64 bit) Fit for Windows Server 2003 (32 & 64 bit) Fit for Windows Server 2008 / 2008 R2 (32 & 64 bit) Fit for Windows Vista (32 & 64 bit) Fit for Windows 7 (32 & 64 bit) Fit for Windows 8 Fit for Windows 8.1 Fit for Windows 10 Package List: 1*Module