1.Compared to a WIFI connection, a wired internet connection can provide a faster, more reliable network. 2.2.5G network card rate, support 2500Mbps high-speed Ethernet, backward compatible with Gigabit, Fast Ethernet. 3.Plug and Play specification. USB 3.0 interface, compatible with USB 2.0. 4.USB powered, no external power required. A must-have for business trip. 5.Aluminum alloy shell, fast heat dissipation, stable performance. Description: Chipset: RTL8156B Port number: 1*RJ45 Standard: IEEE 802.3, IEEE 802.3u, IEEE 802.3az, IEEE 802., IEEE 802.3bz Data rate: 10/100M/1000M/2.5Gbps Interface: USB3.0 Material: Aluminum alloy colour: Gray-black Package Contents: 1 x USB3.0 to 2.5G network card Adapter Only 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.