Bluetooth is a short range transmission technology. It is used to stream audio, transfer data and broadcast information between different devices. There are different types of technology used in it for various purposes and advancements.
Previously, Basic Rate(BR) type is used. Commonly known as Enhanced Data Rate(EDR) transmission. This is widely used to connect two devices directly. This Point-to-Point transmission was widely used by users before WiFi was popular.
The Recent Low-Energy Bluetooth (LE) enables short wireless connections by using multiple network connectivity, including point-to-point, broadcast and mesh. This enable a Bluetooth device to connect with multiple devices at a time and providing individual connections to every connected devices. Like connecting a headphone simultaneously while a another data transmission goes on.
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