What is the difference between mono and stereo Bluetooth speakers ?

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The difference between  mono and stereo Bluetooth speakers is that stereo speakers are more advanced.
If you only receive and make calls, mono can be used. You can connect to any mobile phone to listen to songs with advanced audio protocol A2DP. Stereo Bluetooth speakers can support multiple audio signals. The difference is that mono Bluetooth speakers only have one audio signal technically.
First use Bluetooth speakers to receive and make calls is convenient.Secondly, there is basically no radiation. 
How to use Bluetooth speaker? At present, Bluetooth speakers have become more and more popular, and many people have begun to use Bluetooth speakers to enjoy convenient listening. However, not everyone will operate it for the first time. People who have not contacted the Bluetooth speaker may ask how it is connected to mobile phones and how to use the Bluetooth speaker. Next, we will introduce the basic operation and use of the Bluetooth speaker.

Speaker knowledge literacy how should Bluetooth speakers be used?
However, no matter whether it is a smart phone or a non smart phone, the vast majority of mobile phones at present will not support the Bluetooth function. Besides being a very good protocol in file transmission, Bluetooth actually has another major function of listening to calls.

How to use Bluetooth speaker
As we mentioned above, friends who have not contacted Bluetooth speakers may ask how to use Bluetooth speakers, which is a basic question. In fact, the Bluetooth speaker is not as high-tech as everyone imagined. It is also a tool for listening to music, but it uses the Bluetooth protocol to wirelessly transmit sound quality, replacing the traditional wired connection.

Bluetooth wireless transmission is relatively convenient
The Bluetooth protocol has undergone many versions of evolution and upgrading. In the previous old version of the Bluetooth protocol, due to the limitation of transmission efficiency, it can not achieve the transmission speed required for music listening, so it is often used for communication and phone calls. This is the mono communication Bluetooth headset we often saw before.

Bluetooth headset designed for communication
However, the current Bluetooth protocol has been developed to version 4.0. In fact, stereo music transmission can be supported at the transmission speed of Bluetooth. Although version 4.0 has just been launched, there are not many Bluetooth 4.0 earphones on the market at present, but many Bluetooth speakers have adopted stereo design before. This is what we often call a Bluetooth speaker - it is not only a speaker tool for receiving and making calls, but also a device for listening to music and facilitating answering.

Stereo Bluetooth headset designed for mobile music listening
If you want to use Bluetooth speakers, you must have a device that supports Bluetooth functions. This device is not necessarily a mobile phone, but also a tablet, a computer and other digital products. Of course, Bluetooth has another advantage that it can be backward compatible. Generally, it will not be completely incompatible due to different transmission versions.

How to connect Bluetooth headset to mobile phone
Of course, most people who use Bluetooth speakers must consider the convenience of use, and most of them choose Bluetooth speakers for portable use, so many people go out to listen to music with their smart phones. If you want to use Bluetooth speakers, you must first connect with your mobile phone. This process is called pairing.

Bluetooth speaker and mobile phone paired connection
There are many brands of Bluetooth speakers at present. Although there may be some differences in the specific functions and operation modes, the pairing process is basically the same. Let's take the recently popular bell earphone as an example to introduce the connection process of Bluetooth earphones. We choose iPhone to introduce the connection. In fact, no matter what kind of mobile phone or Bluetooth headset is, it is basically the same, and there is no big difference. If you connect and pair one mobile phone and headset, you will basically connect and use other earphones.
Generally, the Bluetooth option of the mobile phone is set. First, we need to turn on the Bluetooth function in the mobile phone and set it so that other devices can search for it. Generally, the Bluetooth icon will be displayed on the top toolbar of the mobile phone or some other prominent positions. When Bluetooth is not connected, the icon should be gray. When Bluetooth is connected, the icon will turn blue.

After the headset is turned on, the LED light will indicate the working status
Then we need to find the on / off button of the headset. Bluetooth earphones generally have working indicators, which will light up when they are turned on. Of course, we need to make the Bluetooth headset in the paired state so that the mobile phone can search our Bluetooth audio device. The function keys of each earphone may be different when the pairing state is turned on. Generally, it takes a long time to press the power button for a few seconds. We can operate according to the instructions of the specific earphone model.

Bluetooth headset is connected to the mobile phone to play music
When in the paired state, the indicator light of the Bluetooth headset should flash quickly. At this time, the mobile phone will search for the name or brand of the Bluetooth speaker. We click pairing. If the pairing is successful, we can see that the Bluetooth icon turns blue. At this time, we can use the speaker to listen or make calls. In the working state of successful pairing, the indicator light of the Bluetooth headset will generally have a normal slow flashing prompt.
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