Chipset MTK7601 Support soft AP Standard IEEE802.11 b/g/n USB2.0 Built-in 1dBi antennasFrequency 2.4GHz Transmission speed 2.4Ghz up to 150Mbps Operation system XP / Vista / 7 / 8 / 8.1 / 10 ,MAC OS X 10.11.X /10.10.X How to use it: First,put the driver CD into your computer CD-ROM Second,install the driver program Third,plug the wifi adapter into your computer,then the wifi adapter can work Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Quantity : 1 PCS Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!