BLUETOOTH- What is a Class 2 Bluetooth device?

A Class 2 Bluetooth device refers to the specification of the chip used inside the device. Class 2 devices will have a power rating of 2.5mW (milliwatts) and an operating range of approximately 10 to 20 metres.

A Class 1 device will have a range of up to 100 metres and a Class 3 device has a range of 1 metre.