1. Dual-band wireless wifi 2.4/5GHz: reduce signal interference and make the network smoother.2. Bluetooth 4.2 chip, lower power consumption and more stable3. Support 802.11AC technology: network speed up to 433mbps.4. High-quality circuit module board, mini body, high efficiency to avoid corrosion and abrasion, durable 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 notebook computers such as: for Dell, Shenzhou, ASUS, Toshiba, Sony, Acer, Alien, Thor, Revolution, MSI, Razer...etc. NGFF interface computers. As well as desktop computers, industrial control motherboards, all-in-one computers, small hosts, advertising machines, machines...etc.Colour:greenMaterial:PCBPackage Contents:1 x Bluetooth network cardOnly the above package content, other products are not included.Note: Light shooting 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.