You can use a phone as a speaker and microphone for a Windows 11/10 PC with a free app called AudioRelay. Learn how to set it up!

If Bluetooth driver is missing or gets removed after a Windows Update, add the legacy driver from the Device Manager, install the correct driver from your manufacturer, etc.

Forbes contributors publish independent expert analyses and insights. Barry Collins is a tech journalist writing about PCs, Macs and games. Bluetooth is one of technology's great survivors. Once ...