Specifications: 1. EDUP  2. AC1681 3. Transmission rate: 1200mbps 4. Interface type: USB2.0 5. Color: black 6. Working frequency band: 2.4G 7. Product weight: 45g 8. bluetooth standard: 4.1 9. Network security: WPA. WPA2 10. Size: 58mmx25mmx10.6mm 11. Frequency range: 2.4Ghz300M , 5.38Ghz 867M 12. LED indicator: yes 13. Supporting protocol: IEEE 802.11n IEEE 802.11b IEEE 802.11g 14. Support system BT: win7, win8.1, win10, WiFi:win7 、win8.1、win10 Features: 1.  1200m dual band wireless network card, Bluetooth 4.1, high speed operation. 2.  Support 24GHz / 5GHz dual frequency, 5GHz band speed up to 867m, with 2.4GHz band 300m rate. 3.  Using 802.11ac wireless transmission standard, the transmission rate is as high as 1167M. 4. Mini Compact, convenient and easy to use, does not occupy space.5. Strong system compatibility, support Windows 7, windows 8.1, windows 10 and other systems. 6.  It can switch working frequency band, effectively avoid wireless interference and network congestion, and the wireless signal is more stable. Package Includes: 1 * bluetooth network card 1 * Instruction manual 1 * Certificate and warranty card