How to choose a Bluetooth headset

ByFields Corrielus 2019-07-02 4031

There are too many kinds of Bluetooth headphones. You may be confused, So today I'm here to talk to you about how to choose a Bluetooth headset.


1. Stability

One of the biggest differences between Bluetooth and wired headphones is stability and delay.

Disconnection often occurs in Bluetooth headphones with poor stability.

As for the delay, no one would want the avatar box to hear the gunshot for two seconds when they "eat chicken", or the second subtitle disappears while watching the video, and the first line has just been spoken.

If you want to improve stability and further reduce latency, you have to use stronger Bluetooth technology on your headphones.

Not long ago, SIG (Bluetooth official Organization) announced that all 4.1Bluetooth versions would be phased out.

Therefore, the mainstream wireless headphones are Bluetooth 4.2 and Bluetooth 5.0.

Bluetooth 5.0 compared with 4.2, the transmission rate is twice as fast, the transmission distance is quadrupled while reducing power consumption and power saving, and the ability of anti-interference has been enhanced.

Bluetooth 5.0 c 

When purchasing wireless Bluetooth headphones, headphones that support Bluetooth 5.0 in terms of delay and stability will be better than 4.2.

Fortunately, models after the iPhone 8 and Android phones with Qualcomm Snapdragon or Huawei Kirin processors over the past two years support Bluetooth 5.0 technology.

If your phone doesn't support Bluetooth 5.0, don't panic, because it's also downward compatible and downgraded to 4.2.

So whether your phone supports it or not, I suggest you choose a headset that supports Bluetooth 5.0.

In addition, the "true wireless" Bluetooth headset now referred to on the Internet refers to Qualcomm's TWS (True Wireless Stereo) true wireless stereo technology.

Traditional Bluetooth headphones can only be connected to a single headset, and the left and right headphones can synchronize the sound through the connection of the wire.

Bluetooth headphones 

The TWS Bluetooth headset, to put it simply, connects one of the headphones to the phone as the main headset, and the main headset is connected to the remaining headset, thus realizing the wireless separation of the left and right channels.

It is also because split headphones can be divided into primary and secondary headphones, so after a long time, the battery loss of the two headphones will be different.

TWS Plus technology, developed on the basis of TWS, uses both headphones as main headphones to connect directly to the phone.

While avoiding different battery losses, delay and power consumption are also reduced.

At present, TWS headphones have achieved a hundred yuan level.

Hundreds of expensive Bluetooth headphones use almost all TWS Plus technology, conditional of course choose TWS Plus Bluetooth headphones.

TWS Plus Bluetooth headphones 

2. Sound quality

Perhaps many people think that the headphones are Bluetooth, but also say that the sound quality is not sound quality.

In fact, you are wrong, different Bluetooth headphones, the difference in sound quality may be quite large.

When the quality of the sound source is the same, the sound quality mainly depends on the coding format of the transmission and the sound generating unit of the headset.

According to the current audio coding mode of headphones, the audio quality output level from low to high mainly includes SBC, AAC, aptX, HWA and LDAC.

Among them, SBC and AAC are the previous basic coding formats, which belong to lossy coding.

On the other hand, Qualcomm's aptX, by compressing the audio file, achieves the output of higher quality sound quality without affecting the sound quality, and retains more details than the first two kinds of coding.


AptX can also be subdivided into traditional (aptX), high quality (aptX-HD) and low latency (aptX Low Latency), each of which has its own characteristics.

Sony's LDAC and Huawei's HWA coding support higher-quality transmission, which is currently the highest bit rate audio transmission technology.

Sony's LDAC  

For iPhone, however, only SBC and AAC encoding and decoding technologies are supported.

These two encodings are supported by almost all Bluetooth headphones, so you don't have to pay attention to which code when choosing.

On more open Android, aptX and LDAC will be supported in addition to SBC and AAC, as long as the system is Android 8. 0 or above.

In addition to the coding format, the headphone sound unit is also an important reason for affecting sound quality.

The common vocal units are moving coil and moving iron as well as ring iron. Each tuning style has its own characteristics, and the feeling it brings to people will be different.

But if you're not particularly feverish about sound quality, coding and vocal units are less important. After all, Bluetooth's sound quality is not as good as wired.

In addition, for a few hundred dollars of Bluetooth headphones, the difference in tuning may be the most important factor in determining the sense of hearing.

Of course, in most cases, we buy Bluetooth headphones for convenience.

Sound quality is very important, but when we choose and buy, we should not blindly ignore the comfort of wearing for the sake of sound quality. (on these two points, it is recommended that you try to find opportunities for offline auditions as much as possible.).

3. Noise reduction and waterproofing

In addition to the above, other features of headphones are equally important, such as noise reduction and waterproofing.

Noise reduction is divided into passive noise reduction and active noise reduction, almost all headphones have a certain physical passive noise reduction effect.

Generally speaking, passive noise reduction is also quite useful in general.

But if you have a high demand for noise reduction (I'm sure you will), you need to see if the Bluetooth headset has active noise reduction technology.

In addition, everyone who likes to wear headphones to exercise, sweat down that is sure, if the headphones are not waterproof, this thing is easy to scrap.

At this time, the waterproof level of headphones is required to be at least IPX4 and above.

As for how people choose between headwear and earthing, it depends on your daily needs.

Finally, there are so many options for Bluetooth headphones. Do you know how to choose Bluetooth headphones after reading this article?

 You may also want to read:
 Sony's updated WF-1000X M3 Wireless Earbuds released for 249 euros
  How to keep Xiaomi mi Airdots from falling out of your ears
 Roborock S6 vs Xiaomi Roborock S50: Which is Better to Buy?


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