1、Easy to carry, compact design, not take up too much space when plugged into computer, convenient and trouble‑free. 2、WiFi receiving function, desktop without built‑in card, incarnate wireless WiFi, bid farewell to complicated cables to easily surf Internet. 3、WiFi transmission function, there is no router, turn on portable WiFi function and turn it into a wireless router to transmit wireless signals. 4、Strong system compatibility, support for Windows XP, for Windows 7, for Windows 8, for Windows 8.1, for Windows 10 and other systems. 5、Run on computer as you like, free to match, 150Mbps free driver plug and play. 1 x Wifi USB Adapter Condition: 100% Brand NewItem Type: Wifi Usb AdapterMaterial: ABS+MetalSize: As the picture shownSupported standards and protocols IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK, IEEE 802.11n (draft 2.0) wireless technology Bus type USB 2.0 Frequency Range 2.4～ 2.4835GHz Transmission rate 11n: up to 150M 11g: 6/9/12/18/24/36/48/54Mbps (adaptive) 11b: 1/2/ 5.5/11M (adaptive) Transmission rate 13 Data modulation 11b：CCK,DQPSK,DBPSK 11g：OFDM 11n：OFDM with PSK,BPSK,16-QAM,64-QAM RF power 20dBm (maximum) Antenna gain 2dBi built-in smart antenna LED indication Status Dimension 20 x 15 x 6.8 mm / 0.8 x 0.6 x 0.3in Use environment Working temperature: 0℃ to 40℃ Storage temperature: -40℃ to 70℃ Working humidity: 10% to 90%RH non-condensing Storage humidity: 5% to 90%RH non-condensing Support operating system for Windows 2000/XP/Vista/WIN 7.8/LINUX