Specification: Product material: ABS Product Features: Free Drive Product color: black Wireless speed: 2.4G: Up to 150Mbps 5.8G: Up to 433Mbps Frequency range: 2.4GHz and 5.8GHz Wireless transmission power: 20dBm (maximum EIRP) Antenna: built-in antenna Modulation technology: OFDM/CCK/16-QAM/64-QAM Working mode: temporary/infrastructure Wireless network security: 64/128 bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES) Working temperature: -20 ℃ to 70 ℃ Storage temperature: -40 ℃ to 90 ℃ Operating humidity: 5% to 95% (non condensing) Storage humidity: maximum 90% (non condensing) Supported operating systems: Windows XP/Vista/Linux/Win 7/Win 8/Win8.1/Win10/Mac OS Net weight: 35g Product size: about 100 * 10 * 10mm/3.93 * 0.39 * 0.39 inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x WiFi Adapter 1. Dual-Band Wireless Network Card: This wireless WiFi adapter supports both 2.4G and 5.8G WiFi signals, providing true dual-band capabilities. 2. Help Create Wi-Fi Hotspots: The network card can help your computer create a Wi-Fi hotspot for easy internet sharing. 3. Mini Portable Design: With its mini and portable design, the USB adapter is easy to carry around and convenient to use. 4. Full Compatibility: The network card is fully compatible with Windows XP/Vista/Linux/Win7/Win8/Win8.1/Win10/Mac OS systems, ensuring it works well with most computers.