1. Dual-band wireless wifi 2.4/5GHz: reduce signal interference and make smoother.2. Bluetooth 4.2 chip, lower power consumption and more stable3. 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 useProduct name: Bluetooth network cardModel: RTL8821CEWireless Technology: 802.11ACWireless frequency band: 2.4G&5GBuilt-in Bluetooth: Bluetooth 4.2Product interface: NGFF M2Support system: Win7, Win8, Win10Compatible 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 useColor: Random, Not accepting designationMaterial: PCBPackage Contents:1 x WiFi Card2 x 8DB Antenna Kit(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.