Compared to infrared, Bluetooth devices can work together, its omni-directional. Current devices can transfer in the range of 30 feet. Bluetooth uses radio frequency and hence transmission is possible through walls or other objects and hence it is widely used in computers, PDA, headsets, mobile handsets etc. These devices can communicate with each other irrespective of the manufacturer since it is using standard 2.4 GHz frequency (ISM – Industrial Scientific and Medical devices - band).