3G

§Bluetooth is a way of exchanging data wirelessly over short distances, you can send pictures and videos, music through Bluetooth it is a part of everyday life you can also connect to other devices  and take control of it you can only do this if they do not have a lock on it you ca also connect to you computer and download songs. If you leave it on for to long it with run your battery low very quickly. You can connect to other people phone so they can send you images videos, music.

Wireless can be use for many different thing for example you router at home can be wireless if you want to connect to you internet at home you can even use you phone to go on the internet if your phone has a wireless device for example iphone blackberry etc there are many different wireless device like mouse keyboard and even printers. Wireless is known as Wi-Fi it is away of getting on to broadband  the out all of the wires

 

3G is the third generation of wireless technologies. It comes with enhancements over previous wireless technologies, like high-speed transmission, advanced multimedia access and global roaming. 3G is mostly used with mobile phones and handsets as a means to connect the phone to the Internet or other IP networks in order to make voice and video calls, to download and upload data and to surf the net.