Class 2 Bluetooth
Formal
Class 2 Bluetooth enables short-range wireless data transmission (10-20m), which has a low power consumption of around 2.5mW. Most commonly found in mobile devices.
Practical
Most commonly found in mobile devices. Most Bluetooth applications are battery powered Class 2 devices, with little difference in range whether the other end of the link is a Class 1 or Class 2 device as the lower powered device tends to set the range limit.
