Interface: NGFF(M.2) TX/RX Streams: 2x2. 1 x BCM94352Z WiFi Card. Pls check the Bluetooth driver before ordering this item. Bluetooth：4.0. And the BlueTooth need to install the driver for your PC. Note: The driver will be installed automatically when you install this card on your laptop (on macOS System OS X v10.10 Yosemite / OS X El Capitan (10.11.0-10.11.6) / macOS Sierra (10.12.0-10.12.3) / macOS High Sierra (10.13-10.13.6) / macOS Mojave (10.14) )/ macOS Catalina 10.15， Need to install the driver for Windows 7 /Windows 8 /Windows 10 64-bit.
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