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What is Bluetooth?

Ask about Bluetooth and many people will tell you that it is a Laser treatment for having your teeth whitened at your Dentist. Far from it, Bluetooth is a set of standards for devices to communicate data and voice with each other over short distances in a safe and secure way and without any loss of quality and at high speeds. Latest version of the Bluetooth Standard is Version 2.0 + Enhanced Data Rate (EDR), adopted November, 2004.

Why Bluetooth?

   1. Seamless High speed automatic communication between devices.
   2. Line of Sight not required unlike Infra Red communications.
   3. Each device can simultaneously communicate to 7 Other Bluetooth devices without loss of signal quality
   4. Low power consumption.
   5. High degree of standardisation in design protocol on devices.
   6. Bluetooth technology operates in the unlicensed industrial, scientific and medical (ISM) band at 2.4 to 2.485 GHz. This Radio spectrum frequency is available and unlicenced in most countries
   7. The signal hops among 79 frequencies at 1 MHz intervals to give a high degree of interference immunity.

Devices and typical features to look for

   1. Bluetooth USB Adapter
   2. Bluetooth Mouse
   3. Bluetooth Stereo Headset
   4. Bluetooth Audio Adapter for IPOD , MP3 Players
   5. Bluetooth Car Audio
   6. Bluetooth Mobile phones
   7. Bluetooth Digital Photo Frame


  • Support Bluetooth V2.0 + EDR Security Mode
  • Lower power consumption
  • Supports A2DP (Advance Audio Distribution Profile) for high quality stereo
  • AFH (Adaptive Frequency Hopping) increases connection stability for further improved error correction performance
  • Full compatibility with USB equipped computers, supporting both USB 1.1 & 2.0 standards
  • Backwards-compatible with older Bluetooth devices (versions 1.1 & 1.2)
  • Data rate: 3 times faster transmission speed (3 Mbits/s with new Bluetooth 2.0 + Enhanced Data Rate).
  • Range:  300 feet Open area
  •  Less interference with Wi-Fi networks
  •  Security: 128 bits security code
  •  Support Skype Voip
  •  Support Windows 98/98SE/ME/2000 OS
  •  Support Windows Vista OS


  •  Navigates easily using four buttons and the scroll wheel
  •  Works at idstances of up to 10 meters
  •  Works with Windows 98 se, 2000, XP and server 2003
  •  Works with Mac os x v10.2.6
  •  USB adapter provided Enables Bluetooth to your Laptop / Computer
  •  Mouse Runs of Rechargeable batteries - Charged through USB Docking provided
  •  Includes Bluetooth USB Adapter that allows you to connect upto 7 Bluetooth devices at one time.
  •  Advanced technology extends battery life upto 10 times. The mouse powers off after 30 minutes of inactivity


    *   Compliant with Bluetooth V2.0/V1.2/V1.1
    *   Support Bluetooth Headset, Bluetooth hands free, Bluetooth A2DP, Bluetooth AVRCP Profiles
    *   Internal Lithium polymer battery
    *   Long standby time of 240 hours
    *   Talk time of 11 hours
    *   Listen to Music time 10 hours
    *   High quality Voice communication
    *  Voice Dialling and Last number redial /Mute function on headset
    *   Simple operation – LED indicators and tone alerts for headset status
    *  Operating range 30 Feet Open Area
    *   Built in super sensitive microphone
    *   Volume controls on Headset
    *   Mutes music on Phone call incoming or Outgoing
    *   Pairs with 2 devices example MP3 Player and Mobile Phone
    *   CE and FCC certified

4. Bluetooth Ipod Adapter

    *      Compliant with Bluetooth V1.1, V1.2
    *     Supports A2DP profiles
    *      Make any Mp3, Mp4 or other Players to Bluetooth compatibility by plugging the Audio adapter to the 3.5mm audio jack.
    *     Use this adapter to listen to music from your IPOD or Mp3 players on your Bluetooth Stereo headset.
    *    Use this adapter to listen to music from your Music player on your Bluetooth Car Stereo set.
    *   Working time 4 – 5 hours of with a full charge
    *    Operating range 30 Feet Open Area
    *   CE and FCC certified
    *   LED indicator for power on/off, pairing, charging etc.
    * Mini USB 5pin Socket for Battery recharging.

Things to know about Bluetooth.

1. Security

You could expected most devices to have at least 3 levels of security. Manufacturers are free to set security for their products at any level. So you should examine the security features of the products and evaluate security issues. Bluesnarfing and Bluebugging are methods of illegal and improper access to Bluetooth devices – you need to be on guard to protect data held on your Bluetooth devices.

1.a. Setting your device to Non- discoverable mode.

You need to check is the device is capable of being discovered by others who are using Bluetooth devices. While travelling in a train I have noticed that large number of Mobile phone users set their mobile phones on discoverable mode.This means others know about their Mobile phone identity and is open to a security attack. Potential hazard is the theft of personal information stored on the device. Once you have done the required association /pairing with your known devices, you should switch off the feature of discovoverable mode.

You can Pair any two Bluetooth devices by exchanging a security code between each other. Once paired the devices should only communicate between each other and not with other similar devices. Say for example you have Paired your Mobile phone with your Laptop by exchanging security code, then Other mobile phone will not be allowed be paired with the Laptop. Pairing is required for both security and automatic connections and recognition when the devices come within the communicating range.Don’t Pair with unknown devices because it is a security Risk. Always do your Pairing in a private area and not in the public while you are being watched by others.

1.c.Keep the security and Pin secret. Most devices have 000 as their Pin  so try to change the security pin to something which only you will know and remember.

 2. Power supply

Essential feature of Bluetooth is the very low level of power consumption required for operating of the devices. Devices could be powered by batteries or by built in Li-Ion rechargeable batteries that can be charged through a Mains power adapter provided or through the USB port of your computer. Check the times for operating and standby times as this could be significantly different between each model. If your devices take too much power then you can land up spending a lot of money on Batteries.

3.. Radio interference from other RF devices such as Wireless Hand Held Phones, Wireless LANs

Extremely unlikely because Bluetooth technology is designed to sense other devices operating frequencies and switch frequencies rapidly to avoid interference.

In all my recommendation is to go for products which are Bluetooth enabled and enjoy the freedom that Wireless communications bring to your life.
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