... SD card memory Support Win7,Mac OS USB interface HSUPA wireless usb modem with Voice Highlights ,The product is the ... Internet, the data deliver function etc.Description,1,Standard USB connector , insert it to laptop or computer directly ... and use conveniently.2,The data speed , Under HSUPA network, the max download up to7.2 Mbps.3 ... 55 °C Saving temperature -30~75 °C HSUPA wireless usb modem with Voice