What is Bluetooth?

Recently Bluetooth technology is used in many devices such as camera, mobile phone, laptop and many more.

Bluetooth is known as a low-power-consumption and short-range wireless technology for personal area networks (PANs). It possible to connects your personal electronic devices and equipments without the clutter of cables. The first announce Bluetooth technology is Swedish telecom giant Ericsson originally developed Bluetooth. The name is inspired by King Harold Bluetooth, known for his unification of previously warring tribes from Denmark, Norway, and Sweden. Likewise, the Bluetooth technology was intended to unify and connect different personal electronic devices without cables.

With Bluetooth technology, you can place any devices or gadgets wherever you want, and finally have a clean office desk. But perhaps more importantly, Bluetooth saves time and improves mobility by supporting a portable network anywhere. You do not have to stop, sit down, and mess with the cables in order to use your electronics. This portable personal network is typically anchored in a smartphone or laptop computer.

What people can do with Bluetooth?

· Exchange images or audio files with friends from laptops or mobile phones

· Using wireless headset: Make a call without holding your phone into your ear, and perhaps the most widely used Bluetooth devices are the wireless headsets of mobile phones.

· Keyboards and mice can also be connected to the PC using Bluetooth. This helps to keep the office desk tidy. But more importantly, some Bluetooth keyboards and mice also work with smartphones and PDAs. They are essential tools for mobile email.

· File transfer is common use of Bluetooth, including mini-computers like PDAs and smartphones, can send files to each other via Bluetooth connections. You can transfer photos from a camera phone to a computer, install smartphone applications from a computer, or exchange documents between laptops in a conference room.

The application of Bluetooth is wide, There are many other use cases that I cannot cover in the limited space of this article. For any specific use case, it might seem that it is not a big deal to use a cable connection instead of a Bluetooth wireless connection. But if you have multiple devices that need to communicate with each other, the number of cables increases geometrically as the number of the devices does. Bluetooth becomes more and more important as we carry more and more personal gadgets. The Bluetooth solution is especially useful for smartphones, as most smartphones use non-standard and expensive data cables.