Applicable to desktop computers/laptops. After plugging in, directly connect to the WiFi signal to surf the Internet. No network cable is required, say goodbye to the messy office! Applicable to desktop computers with network. After plugging in, the computer provides a WiF hotspot for multiple mobile phones, tablets, and laptops around to connect to the hotspot to surf the Internet! Applicable to desktop computers. After plugging in, the computer connects to Bluetooth headsets, Bluetooth mouse and keyboard, Bluetooth speakers, Bluetooth printers... 1300Mbps network card + Bluetooth 5.0 two-in-one Product name:four-antenna USB network card Chipset:RTL8811 Antenna standard:EEE802.11b/g Transmission rate:1300Mbps Frequency range:2.4G & 5G :for WindowsXP/7/8/8.1/10/11 (Win8 and above systems without driver) Colour:Black Material:ABS Package Contents: 1 * 1300Mbps network card Only the above package content, other products are not included. Note: Light reflection 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.