1. Dual-band wireless wifi 2.4/5GHz: reduce signal interference and make smoother. 2. Bluetooth 4.2 chip, lower power consumption and more stable 3. Support 802.11AC technology: network to 433mbps. 4. circuit module board, mini body, high efficiency to avoid and abrasion, and easy to use. 5. Mini portable, easy to install and easy to use Product name: Bluetooth network card Model: RTL8821CE Wireless Technology: 802.11AC Wireless frequency band: 2.4G&5G Built-in Bluetooth: Bluetooth 4.2 Product interface: NGFF M2 Support system: Win7, Win8, Win10 Compatible models: Support Laptop such as: for , Shenzhou, , , , , , , Revolution, , ...etc. NGFF interface computers. As well as desktop computers, industrial control motherboards, computers, small hosts, advertising machines, machines...etc. Due to different batches, the appearance, color and printing of the product may be different, which does not affect the use Color: Random, Not accepting designation Material: PCB Package Contents: 1 x WiFi Card 2 x 8DB Antenna(Appearance in color and shape due to batches) 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.