Features:Support system: for windows10 (not support for WIN7 /WIN8 ).Bluetooth: 5.0; backward compatible with 4.2 /4.0 /3.0, etc.1550AC for KILLER fully supports for mu-mimo technology. When using 160MHz channels under 5g routers, they can deliver up to 1.73Gbps (twice as much as 1535ac!!), the corresponding high-end routing needs to be used together, otherwise the gigabit rate cannot be achieved.Wireless - AC for Killer 1550 is the world's fastest 2 x 2 11 AC Wireless network adapter.It is the first product that has been produced by both for Rivet Networks and for Intel.Specification:Version: the brand new official versionBrand: for KillerModel: 1550 ac for killerWireless: 802.11 AC/a/b/g/n/AC2.4 G & 300 MBPS5 g & 1.73 GbpsSize: approx. 3.1 * 2.2 * 0.2 cm / 1.2 * 0.9 * 0.1 inchInterface: NGFF M2Package List:Network card * 1Note: Some devices for Lenovo and for HP are not supported.