How to choose Bluetooth earphones

Product quality

When purchasing a Bluetooth earphone, more attention should be paid to the quality and performance of the product, such as battery life, radiation level, etc. However, generally low-quality or inferior Bluetooth earphones cannot be guaranteed in terms of workmanship and materials due to cost control, resulting in poor product quality, significant differences in actual functional data, and high radiation levels.

Call quality

Because call quality is a fundamental parameter for measuring the quality of a Bluetooth earphone, in general, Bluetooth earphones designed with a stick style have better call quality compared to other types of products because their microphone is closer to the mouth.

Standby time

Because this is similar to the daily use of mobile phones, the longer the standby time of the earphones, the more trouble they can avoid charging frequently, which is also one of the standards for measuring the performance of Bluetooth earphones.

Comfort level of wearing

The human ear is relatively delicate. If the material of the ear hook of headphones is not good or there are some design defects, it will cause discomfort after wearing for a long time. Therefore, before purchasing, you should carefully check and choose Bluetooth earphones that fit your ear shape.

purpose

What is the main reason for purchasing Bluetooth earphones? It depends mainly on what it is used for - ① for language learning. Just choose lower priced headphones, preferably ear cup style with volume adjustment, for listening to news. Ordinary electromagnetic headphones are sufficient Used for listening to music. For general music appreciation, simply purchase mid-range headphones such as stethoscope or head mounted dynamic earphones. If you want to enjoy high-quality music, you should not care about the price and choose high fidelity headphones, such as high-quality dynamic, flat film, or capacitive headphones. Among them, BRD style headphones with high cost-effectiveness are the preferred choice Easy to use. Wireless Bluetooth earphones do not require a connection and are extremely convenient to use. In addition, there are earphones with radio function that allow you to listen to various languages and music programs at any time The voice. Single channel and dual channel amplifier equipment should be equipped with single channel and dual channel headphones respectively.

compatibility

The most important issue when choosing Bluetooth earphones is whether the phone is compatible with the earphones. Some Bluetooth earphones are not compatible with mobile phones mainly due to different specifications. There are three main specifications for Bluetooth earphones - HandfreeProfile (HFP), HeadsetPro file (HSP), and A2DP. HFP represents hands-free function, while HSP represents headphone function. Consumers must first figure out which specifications their phone supports before selecting suitable Bluetooth earphones to pair with. A2DP refers to the advanced audio transmission specification that allows for the transmission of stereo audio signals, with much better quality compared to HFP and HSP.

The HFP format Bluetooth earphones support a relatively complete range of mobile phone functions, and consumers can operate hands-free options such as redial, call retention, and call rejection that have been set on the earphones. Almost all Bluetooth earphones support HFP format, and some models also support both HFP and HSP.

transmission distance

The transmission distance of Bluetooth earphones is also a concern for many people. The transmission distance of Bluetooth earphones is not related to the Bluetooth version, but mainly depends on the level of technological advancement. The standard transmission distance of PowerClass2 is 10 meters; The upgraded PowerClass1 increases the transmission distance to 100 meters and provides Hi Fi stereo effects. Generally speaking, the distance between a mobile phone and a Bluetooth headset is not too far, and the safest transmission distance is about 2 to 3 meters.

edition

When consumers purchase Bluetooth earphones, they often see numbers such as Bluetooth 1.1, 1.2, 2.0+EDR, 2.1+EDR, etc., which represent different specifications and standards. Currently, 1.1 is the most common, 1.2 is the new mainstream, 2.0 was launched in 2006, 2.1+EDR version, 3.0 is the latest mainstream, and 4.0 is the latest Bluetooth earphone technology. These numbers represent the different versions and also represent the anti-interference Bluetooth earphone capability of the earphone. The different versions of Bluetooth are related to the quality of the received signal. The new version emphasizes the ability to overcome noise interference. The new version is backward compatible, and consumers should weigh price and demand when making a purchase.

appearance

In addition to functional considerations, the appearance and comfort of Bluetooth earphones are also key factors that consumers must pay attention to when choosing. Everyone has a different face shape, so users should try on the comfort of wearing before making a purchase.