The Bluetooth 5.4 update focuses on improvements for retail and enterprise uses. It introduces four new features that make low energy LE Bluetooth devices more secure and allow for more efficient communication between a central hub and thousands of receiving devices. For the average consumer with a phone, laptop, or tablet, there no real difference between Bluetooth 5.3 and Bluetooth 5.4. Both standards transfer data at rates of up to 2 Mbps for LE devices like wireless earphones and up to 50...