Following a ban on power banks being carried on some flights due to fire risks, airlines are now cracking down on another popular electronic device.

Blue: Supporting USB 3.0 SuperSpeed technology and above, blue ports identify a device capable of fast data transfer: up to 5 Gbps (that's 5,000 Mbps) -- a significant jump from previous generations.

Almost every new tech product these days that has audio output supports Bluetooth, but there are plenty of devices that don't ...