Before discussing about Bluetooth headset, it is better to know about how Bluetooth technology works. It is a unique technology which communicates with other devices by using low frequency radio waves within the range up to 2.4 GHz, for which the cords are not required. The thing to keep in mind is the Bluetooth compatibility of 2 devices to be interacted with each other. There is no need to be within in “a line of sight” to connect with each device like Infra Red ports. This technology can be used for connecting even PC and keyboard or handsets and handsets, PC and mouse.

Now let us discuss about the Bluetooth headset. Why has it become so popular nowadays? The one word answer is handsfree. It is mostly offered with high end models of mobile phones by manufacturers. If not so, you can buy it from a shop. But it is not simple to buy a Bluetooth headset for your mobile. Lots of technical considerations have to be kept in mind while choosing one.

As the popularity improves for Bluetooth headset, manufacturers have started to offer these Bluetooth head sets even for lower models. It is a vital mobile accessory for road-side roamers. No need to pay additional charges to enjoy this facility.

Different Versions of Bluetooth headsets

• Bluetooth Version 1.0
When you buy the Bluetooth 1.0 version headsets, you can enjoy various features. You can make handsfree voice dialling. It is simple to set mute. You can make use of the last-number for redialling option.

• Bluetooth Version 1.1
Certain developments have made to enhance the features of Bluetooth version 1.0 headsets. Therefore Version 1.1 has been introduced during the year 2003 which allows the users to get various benefits like elimination of radio frequency interference, unimaginable connection speed and less power utilization. This Bluetooth Version 1.1 has been released by Bluetooth Special Interest Group (SIG).

• Bluetooth Version 2.0
This recent Bluetooth version 2.0 offers remarkable developments in the Bluetooth headsets like:
• Echo cancellation
• Noise Reduction
• Automatic Volume Adjustment
• Automatic Pairing

Impressive development of Bluetooth Headsets

A2DP is a short saying of a term “Advanced Audio Distribution Profile”. This enhancement is made for hitting the space of the mobile. Bluetooth headsets with A2DP profile is known as “stereo Bluetooth headset”. This profile is useful for getting dual channel audio stream, which is mostly offered only by a MP3 player. You can simply switch from the music to receive your incoming calls just by a single tough of a button. The UK is the only country now sells headsets with this A2DP compatibility. You can expect soon from all the countries.

Here are some of the useful suggestions:
• Technology
Before choosing a Bluetooth headset, it is your duty to know how it performs. Mostly all the Bluetooth headsets perform with the support of 'pairing' process. It is a process which connects headset and your mobile phone for recognizing each other. If both devices have got connections through a PIN, both can interact with each other. Believe it or not, it is simple to connect a maximum of 7 devices at the same time to interact each other with the data transmission speed up to 500 Kilobytes per second.

• Kinds
Two different kinds of Bluetooth headset are headsets with boom and without boom. Boom means nothing but an extended microphone which arches the user's mouth. The quality of audio is determined by the proximity of the mike. These types of headsets can be fixed behind the user's ear and look bulky. But Bluetooth headsets without boom are more popular than the previous model as they come in compact designs. There are wide range of choices with distinct designs and shapes.

• Features
Lots of enhancements have made to impress the users of Bluetooth headsets. The very recent advancement in this regard is LED screen inclusion. This LED screen has been included to display caller ID. But you may not be able to view the screen while you are wearing it on your ears. You can get needy information after to remove it from your ears.

• Compatibility
It is not compulsory that all the Bluetooth headsets are made with the ability to suit with all type of handsets. It should be designed with Bluetooth compatibility to enjoy handsfree access. These headsets have availed in the market with different versions like 1.1, 1.2 and 2.0.

• Security
There are possibilities to overhear your conversations or to steal your phone contacts while you use Bluetooth headsets. Check the security features before you select a Bluetooth headset.