Wifi Standard: 802.11a/b/g/n/ac Wifi Frequency: 2.4/5.0 GHz Model: Realtek RTL8821AE Bluetooth Standard: Bluetooth 4.0 Compatible with Most of Laptop(dose not include Hp /Lenovo laptop) Every item is checked carefully before shipping We are always providing good product and service to our customers for 100% satisfaction! If any question,Please contact us. Usually we respond within 24 hours. it may need little long time on weekends and holidays. If item is satisfaction,please be kindly to provide positive response and 5 Star ratings for us! If not well,Please contact us first,and not leave negative or neutral response also! We will help to solve all problems for you,and guarantee a satisfaction solution.