Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength UHF radio waves in the ISM band from 2.4 to 2.485 GHz) from fixed and mobile devices, and building personal area networks (PANs).
How to use :
1. Search for the Device List and opt for the device to whom you want to Chat.
2. connect through Bluetooth
3.Start Chat.....
You can chat with your friends using this Bluetooth App.