Item Name: Network Adapter Frequency Dual Band: 2.4G + 5.8G : for Vista/XP/7/8/10/11 (driver-free), for Linux , for OS 10.9-10.15 WiFi Speed: 2.4GHz--400Mpbs; 5.8GHz--867Mpbs Features: Foldable, High Speed, Portable Size Details: 8.5cm x 3.2cm/3.35inch x 1.26inch (.) Colour:Black Material:abs Package Contents: 1 x Wireless 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.