Features:Super-small size compact design that fits into your computer's USB port with minimal protrusion making it perfect for use when traveling or in a crowded workspaceProvides an excellent solution for performing everyday activities such as transferring files, browsing the Internet, and downloading music.Complies with wireless 802.11n standardsData rate up to 150MbpsSupports 64/128 bit , WPA encryptionTransfer Method: Direct Sequence Spread Spectrum (DSSS)Frequency Band: 2.4~2.4835GHzEffective Working Distance: 100 meters farthest indoor and 150 meters farthest outdoor (varies due to the environment)Support System with Windows Vista / XP / 2000 / 7 / with / LinuxDimensions: 0.71 inch x 0.59 inch x 0.24 inch (18 mm x 15 mm x 6 mm)Net Weight: 0.14oz (4g)Colour: BlackMaterial: ABSPackage including:2 x Wifi Network AdapterPlease note that you may have to download the driver manually and install it for firs time useOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.