Very often users ask us how to find if their PC supports Bluetooth 4.0. Bluetooth 4.0 adds Bluetooth Smart / Bluetooth Low Energy standard in addition to the Classic Bluetooth specification, so it is a significant improvement in prolonging battery life of devices. The batteries in Bluetooth low energy devices will last several times longer than their classic Bluetooth counterparts. Windows does not make it clear if your hardware supports Bluetooth 4.0. Today we will see the fastest way to determine it.