Welcome to the store! 1、867Mbps Transmission Speed: The WiFi card has a transmission speed of up to 867Mbps and is equipped with BT4.0. 2、Support Wireless Protocols: The WiFi card supports wireless protocols 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac and has excellent performance. 3、Applicable Scene: Suitable for B50‑70 N50‑70 B40‑80 B50‑80, for E4030 E4070 E4080, for Y40‑70 Y40‑80, for Y50‑70 Y50‑80, for YOGA 3 PRO 1370 computer. 4、Premium Material: The network card is made of PCB, strong, durable, stable, not easy to damage, not easy to wear. 5、Easy to Use: The use of sophisticated production technology, simple operation, easy to use, plug and play. Item Type: WiFi Network Card Material: PCB Interface Type: M.2 NGFF Speed: 867mbps Wireless Protocols: 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac Compatible Devices: for B50‑70 N50‑70 B40‑80 B50‑80 for E4030 E4070 E4080 for Y40‑70 Y40‑80 for Y50‑70 Y50‑80 for YOGA 3 PRO 1370 1 x WiFi Network Card 1 x Screw Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!