We will continue to provide all updated wireless drivers at all times for you, Please specify the operating system and only one click to download. “ ” is a website that provides the latest Asus USB-BT400 software & drivers for you with trusted links and has been tested. (1) installed the Windows 8.1 64bit driver from the ASUS website (they don't have a Windows 10 driver, I know, I know, but I'm still trying to make it work) (2) BSOD when trying bluetooth connection, so I use Device Manager to update driver via Windows. In addition, the ultra-small USB-BT400 comes with Bluetooth Low Energy (BLE) technology, which lets you enjoy energy-saving connectivity. The ASUS USB-BT400 provides Bluetooth 4.0 and enables wireless connectivity with a wide range of devices such as computers, printers, phones, headsets, speakers, keyboards, controllers and more. Get Bluetooth 4.0 and Connect with Multiple Devices