Features:

Wavlink NWU220G USB 2.0 Gigabit Ethernet Adapter For Mac Windows 8 

Brand: Wavlink

Model: NWU220G

Color: White+black

Interface: USB2.0 / RJ45

Features: The fastest Usb Lan Card in the world (1000Mbps); Power Integrates on-chip 3.3V to 2.5V; Network Interface Female RJ45 jack supporting Auto MDIX Full Duplex 10BaseT， 100BaseTx， 1000BaseT; Half Duplex 10BaseT， 100BaseTx; RAM Embedded 20KB SRAM for RX packet buffering and 20KB SRAM for TX packet buffering; OS Supporting: Windows 98SE/ME/2000/ XP/Vista， Linux and MAC OS X

Dimensions: 3.23 in x 1.30 in x 0.83 in (8.2 cm x 3.3 cm x 2.1 cm)

Weight: 1.38 oz (39 g)

Package Included: 

1 x USB Ethernet Adapter

1 x Driver CD

1 x English user manual