With its miniature Compact size, USB wireless adapter can sit in a free USB port in your computer without distrusting other devices.
STBC Support for Extended Range Legacy and High Throughput Modes Reverse Direction Data Flow and Frame Aggregation Provides USB 2.0 Hi-Speed interface Low Power with Advanced Power Management WEP 64/128/152 and WPA/WPA2、WPA-PSK/WPA2-PSK Support.
Ensures clean and wireless desktop environment High Speed 300 Mbps Data transfer speed Essential for Home wireless networking Complies with IEEE 802.11n(draft 2.0), IEEE 802.11g, IEEE 802.11b 
Standard Operating Systems:-
- Windows 2000-XP-VISTA-WIN 7-WIN 8-LINUX-MAC

This USB adapter is a good choice because of its tiny size, fast transmission, stronger signal gain, IEEE802.11n standard supported.

SpecificationWireless Network Standards: IEEE 802.11nFrequency range: 2.4-2.4835G

• Network protocol supported: CSMA/CA with ACK
• Transmission mode: DSSS
• Device Type: Wireless Adapter
• Operation systems: WIN2K, XP, VISTA, WIN7, MAC, LINUX.
• Interface: USB 2.0
• Product size: 18*9mm
• Package size: 130*86*22mm
• Net weight: 2g
• Package weight: 33g