
Click Properties > Go to Driver tab > If there is rollback option, click it. I received today this Asus bluetooth adapter (Asus USB-BT400 4.0 via Amazon). Adapter USB do Bluetooth 4.0 Zaawansowany adapter USB do Bluetooth 4.0, kompatybilno wsteczna z Bluetooth® 2.0/2.1/3. Windows Key+X > Click Device Manager > Expand Bluetooth > Right click on entry below >. Take actions related to Bluetooth driver. 1.2 Click Hardware & devices and run the troubleshooter. In addition, the ultra-small USB-BT400 comes with Bluetooth Low Energy (BLE) technology, which lets you enjoy energy-saving connectivity. 1.1 Click Bluetooth and run the troubleshooter.

The ASUS USB-BT400 provides new and advanced 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 In dual-mode, the USB-BT400 maintains full backward compatibility with Bluetooth 3.0, 2.1, and 2.0. It connects you with a multitude of compatible devices and supports Bluetooth Low Energy (BLE) to reduce power consumption. The USB-BT400 is a Bluetooth Smart Ready USB adapter with new Bluetooth 4.0 capabilities. New generation Bluetooth 4.0 for versatile wireless connectivity Bluetooth Low Energy technology for energy-saving wireless connectivity Enables wireless communication with Bluetooth-enabled computers, printers, phones, headsets, speakers, keyboards, controllers, and more Most advanced Bluetooth 4.0 adapter, backward compatible with Bluetooth 2.0/2.1/3.0 Special Features: Most advanced Bluetooth 4.0 adapter Backward compatible with Bluetooth 2.0/2.1/3.0 Bluetooth Low Energy technology. Mirrorless Interchangeable Lens Cameras.Programming Database & Web Development Software.
