device types in v4.0. Products will now fall under three brands including Bluetooth Smart Ready, Bluetooth Smart and the original itself. According to Bluetooth SIG, the new visuals are intended to help gauge device compatibility and also denote what form of radios they have. Essentially, Smart Ready refers to any electronics that feature Bluetooth v4.0 with a dual radio, like the iPhone 4S, while the Smart tag covers "devices like heart-rate monitors or pedometers that run on button-cell batteries and were built to collect a specific piece of information." In terms of compatibility, Smart Ready devices can interface with themselves and both of the others, while standard Bluetooth lacks compatibility with Smart, which can only hookup with Smart Ready-enabled gadgets. If you ask us, it's all a bit confusing at the moment, but at least there's a chart for memorizing it all. Hit the source link below for all the details.