What is Bluetooth?
It is a short range wireless technology that allows us to exchange data between two devices close to each other.
When did Bluetooth start?
Bluetooth was started by Ericsson mobile company in Lund, Sweden.
What are the benefits of Bluetooth technology?
1. It is relatively cheap
2. It is safe to use
3. It is easy to use
Are there any harms or disadvantages of using bluetooth?
1. They have limited range
2. They are slower
3. Their data transfer may not be safe
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