Equipped with bluetooth-compatible 4.0, the wireless transmission rate of this network card can reach up to 300Mbps. There are 2.4G band and 5G band, you can choose one of them according to your needs to get better online experience. Made of high quality electronic components, this product can efficiently avoid from corrosion and abrasion, so it is lightweight and durable to use. The length of this product is 3cm, the width is 2.6cm. This product is widely used for most computers, but it is not compatible for Lenovo computer, for HP computer. And it is compatible for WIN7/8/10. Item Name: Wireless Network Card Material: Electronic Component Model: AR5B22 Color: Green Interface: Mini PCI-E Wireless Rate: 300Mbps Wireless Band: 2.4G-5G Wireless Protocol: 802.11A/B/G/N Bluetooth Version: 4.0 System: for WIN7/8/10 Features: bluetooth-compatible 4.0, 300Mbps, Stable Size Details: 3cm x 2.6cm/1.18" x 1.02" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Network Card 2 x Screws