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How Bluetooth Speaker Works ?

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A Bluetooth speaker uses short radio waves to connect to other devices. Most devices come with built-in Bluetooth technology. Hence, they are compatible with most devices. Furthermore, the process of connecting a Bluetooth speaker to another device is simple.

No wonder there is a lot of craze for these speakers. There are different versions of Bluetooth, the latest one being 5.2. The latest Bluetooth speakers are equipped with versions of 4.0 and higher.

Have you wondered what makes a Bluetooth speaker so popular? Is it their audio quality? Is it their compatibility? Or wait, is it their portability?

Read on more to know what makes Bluetooth speakers one of the most popular audio-streaming devices.

What is a Bluetooth Speaker?

The Bluetooth speaker is a type of wireless speaker that is capable of connecting to a Bluetooth-capable device. It contains an amplifier and a loudspeaker with built-in wireless Bluetooth connectivity.

Bluetooth has a short-range. Hence, you should keep a Bluetooth speaker in the same room as that of another device for you to connect them. The upside is that Bluetooth speakers are compatible with all Bluetooth-capable devices.

They come in different shapes, colors, and designs. They are compact-sized, lightweight, and easy to carry. Some of them have replaceable batteries while others are rechargeable. Some models come as wall-powered units.

Working of a Bluetooth Speaker

A Bluetooth speaker uses short radio waves to connect to other Bluetooth-capable devices. It operates at a frequency between 2.4 and 2.485GHz. The specific range of Bluetooth speakers differ. However, they generally connect to devices within the range of 30 to 100 feet.

There has to be a transfer of data between two devices to stream audio and video. The same is true in the case of Bluetooth speakers as well.

Once a Bluetooth speaker establishes a connection with the device, there is a transfer of data. This transfer of data enables wireless audio streaming. The transfer speed of data is low. Hence, latency issues are unavoidable.

Advantages of Bluetooth Speakers

Lack of wires: The lack of wires offers a lot of freedom to you. In the digital world, we do not want to be tied up with wires. Especially, we millennials prefer the luxury of wireless products.

Compatibility: They support almost all Bluetooth devices. You can connect them to smartphones, tablets, PCs, gaming consoles, and other devices.

Portability: One common thing among all Bluetooth speakers is their lightweight and compact size. This design increases their portability. You can carry them in your pocket while going for trekking, camping, or outdoor parties.

Versatility: They are the most versatile of all the speakers. You can use them instead of a stereo system. You can also use them while traveling. At any place and at any time, you can use them to stream audio.

Durability: As they are used in outdoor environments, brands have focused on making them more durable. Additionally, many models come with scratch-resistant and water-resistant features.

Design: The Bluetooth speakers have very creative designs and colors to attract consumers. If you are using them as stereo speakers, you can get one that complements your home decor.

Hands-free calling: Sometimes, the loud-speaker of your phone is not audible enough to have a conversation. Bluetooth speakers have in-built mics. The speaker is very loud, and you can hear the other person’s voice clearly. Using them, you can have a clear and audible conversation without any inconvenience.

Disadvantages of Bluetooth Speakers

  • Their main disadvantage is their short-range connectivity. They have a maximum range of 100 feet. You have to keep them in the same room as your device to make the connection.
  • Their audio quality is not as good as regular stereo speakers.
  • You will experience audio latency issues. There will be a delay in hearing the audio.
  • You will experience some interference while using Bluetooth speakers. The interference will be high if any other devices near you operate at the same frequency.
  • You need to plug them into a power source to charge them. Some models have low battery efficiency. Hence, you have to charge them frequently.
  • They are not compatible with all devices. While most phones have Bluetooth technology, many music players and gaming consoles do not have it.

Frequently Asked Questions

1. What is the range of Bluetooth speakers?

The range of Bluetooth speakers varies widely. They have an average range of 30 feet. However, some Bluetooth speakers come with a maximum range of 100 feet.

2. What is the difference between WiFi and Bluetooth speakers?

As the name implies, a WiFi speaker connects to your WiFi. You have to connect them to your home network. Then, you can connect them to other devices already connected to the same network. They run on AC power. You have to plug them into an electric outlet to play them.
On the other hand, Bluetooth speakers are portable. They can pair directly to other Bluetooth-enabled devices.

3. How do I use a Bluetooth speaker without Bluetooth?

If your PC or media player does not have built-in Bluetooth connectivity, you can use a Bluetooth adapter. You have to plug the adapter into the USB port of the device. This will make the device Bluetooth compatible. Then, you can connect your Bluetooth speaker to that device.

4. How do I stop someone from using my Bluetooth speaker?

When you turn off your Bluetooth option, no one can use your speakers. So, always be sure to turn off your Bluetooth when not in use. Additionally, you can set the speaker’s visibility to ‘off’. The other devices won’t be able to scan and detect your Bluetooth speaker.

5. Can someone hack my Bluetooth speaker?

Yes, someone can hack your Bluetooth speaker. Any Bluetooth-enabled device is hackable. There are different methods and techniques to hack a Bluetooth speaker. The most popular ones are blue bugging, bluejacking, and bluesnarfing.

6. Does Bluetooth 5.0 have latency?

Bluetooth version 5.0 has vast improvements over its previous versions. It has faster data transfer with minimal time delays. However, it does not eliminate latency. Latency issues are unavoidable. Bluetooth 5.0 uses a technique called audio-video sync to minimize the latency issues.


Bluetooth is one of the oldest wireless technologies, yet, still relatable. The short waves help you connect the speakers to your phones and PCs effortlessly. They transfer data over short distances that reduce interference. Above all, they give you the freedom from getting stuck with wires.
If you have any doubts or queries, let us know using the comments section below. You can also share your opinions and experiences with us using the comment box.

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