It is made of high quality PCB material, strong and durable. Operating system: 32, 64-bit for Windows XP and 32, 64-bit of for Vista. 150Mbps transmission speed - the transmission speed of 150Mbps ensures the smooth efficiency of data transmission, the smoothness of the Internet and high signal strength. Compatible with bluetooth 3.0 connection, high cost performance. Applicable to most Mini PCI-E interface computers, but not suitable for HP / lenovo computers.