Look no further. Excellent product quality， that's solidly built. Best of all， its very affordable price. Buy this instant.<br />Color: Black， white<br />Product Dimensions: 39 x 20 x 7.5 mm<br />Interface: USB2.0<br />Chip: RT5370<br />Network card: CF-WU720N<br />Encryption: Support 64/128/152 bit WEP encryption， support WPA/ WPA-PSK， WPA2/WPA2-PSK other advanced encryption methods<br />Applied frequency: 2.4G Hz to 2.4835G Hz<br />Wireless Standard: IEEE802.11B/G/N<br />Transfer rate: up to 150MBS<br />Use environment: Temperature -10 to 40 Celsius degree， Humidity 10% to 90% RH<br />Operating System: Windows2000， XP， Vista， Windows7， Linux， MAC<br />1 x Wireless Network card<br />1 x CD<br />1 x Warranty card<br />1 x English User Manual<br /><img src="http://img6.eachbuyer.com/x6/p42/wm59_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x6/p42/wm59_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x6/p42/wm59_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x6/p42/wm59_4.jpg" />