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The Bluetooth Special Interest Group has talked about the Bluetooth 4.0 and the roadmap for the new specifications. The first devices featuring Bluetooth 4.0 will be sold by the end of this year.

The specifications for the Bluetooth 4.0 were thought for the devices with low energy requirements. The Bluetooth SIG has the intention of extending the 4.0 not only to PC, mobile phones and headphones, but also to watches and clocks, pedometers and such. Among the specifications for the Bluetooth 4.0, there’s the possibility of high-speed Bluetooth-to-WiFi, more “wireless capability” to gadgets such as photocameras, portable consoles and tablet PCs, hence helping the communication between devices thanks to the Bluetooth 4.0. It should serve as a bridge for light information without wasting of energy. These protocols have indeed been thought out to be efficient with a low-bit data transfer.

Despite the low-consumption possibility, users will not notice an enhancement in the battery consumption on their own mobile phones: the Bluetooth 4.0 radio waves use as much energy as the Bluetooth 3.0 when used to synchronize smartphones with the laptops or other devices, or to listen to music with the wireless headphones.