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How to buy a good bluetooth headphones?
Dec 08, 2017

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When buying headphones, mainly from the following aspects:


Quality of products

Buy a Bluetooth headset should pay more attention to product quality and performance, such as battery life, the level of radiation and so on. The general poor quality or less quality Bluetooth headset, out of cost control, whether in the work, or materials can not be guaranteed, the product quality is poor, the actual use of functional data vary greatly, and the radiation is high.


conversation quality

Because the call quality is a basic parameter to measure the quality of a Bluetooth headset, in general, the Bluetooth headset with a rod design is better than other types of products because its microphone is closer to the mouth.


Standby time

Because this is the same as the daily use of mobile phones, headphones longer standby time, you can avoid the trouble of frequent charging, which is a measure of the performance of Bluetooth headset standards.


Wear comfort

People's ears are more delicate, if the earphone earloop material is not good, or there are some flaws in the design, then wearing a long time, it will have a discomfort feeling. Therefore, before buying should be carefully checked, choose the ear shape for your Bluetooth headset.

use

Buy Bluetooth headset, mainly for what to buy it? It depends on what you are mainly using it to do - ① for language learning. Just use the headset at a lower price on the line to ear muffs with volume adjustment as well, ② for listening to the news. Ordinary electromagnetic headphones can be. ③ for listening to music. General enjoyment of music, just buy mid-range machines, such as auscultation or headdress-style dynamic headphones. If you want to enjoy high-quality music, you should not care about the price, buy high-fidelity headphones, such as high-quality moving coil, flat film or condenser headphones. Which cost-effective BRD headphones for the first choice. ④ easy to use. Wireless Bluetooth headset without connection, the use of extremely convenient, in addition to headphones with radio capabilities, allowing you to listen to all kinds of languages and music programs at any time. ⑤ channel. Mono and two-channel amplifier equipment to be equipped with single, two-channel headphones.


compatibility

When purchasing a Bluetooth headset, the most important issue is whether the phone is compatible with the headset. Some Bluetooth headsets are not compatible with mobile phones, mainly because of different specifications. There are three major Bluetooth headset specifications --- HandfreeProfile (HFP) and HeadsetPro-file (HSP) and A2DP three. HFP stands for hands-free function, while HSP stands for headset function. Consumers must first figure out what kind of specifications their phone supports, and then pick the right Bluetooth headset pair. A2DP refers to the Advanced Audio Delivery Specification, which allows the transmission of stereo audio signals with much better quality than HFP and HSP.

HFP format Bluetooth headset supports mobile phone functions more complete, consumers can operate the headset on the phone to set a good redial, call reservation, call answering and other hands-free option features. Almost all Bluetooth headsets introduced by Nokia, Motorola, Sony Ericsson, etc., support HFP format. There are also some models that support both HFP and HSP.Palmett Bluetooth headset is A2DP format, compatible with HFP and HSP format, is the best format version.


Chip brand

Bluetooth headset chip suppliers are three major companies, one is the British CSR company, the other is the United States Broadcom company, Broadcom's products account for more than 80% of the market.

Transmission distance

Bluetooth headset transmission distance is also more concerned about the issue. Bluetooth headset transmission distance has nothing to do with the Bluetooth version, depending on the advanced level of technology. PowerClass2 standard transmission distance of 10 meters; while the upgraded PowerClass1 will be the transmission distance up to 100 meters, and provide Hi-Fi stereo effect. In general, the phone and Bluetooth headset is not too far away from the relatively safe transmission distance of about 2 meters to 3 meters.


version

When consumers purchase Bluetooth headsets, they often see Bluetooth1.1, 1.2, 2.0 + EDR, 2.1 + EDR and other figures, numbers represent different specifications. Currently 1.1 to the most common, 1.2 is the new mainstream, 2.0 is introduced in 2006, 2.1 + EDR version, the latest is 3.0 is the mainstream, 4.0 is the latest Bluetooth headset technology, these figures represent the different versions, but also represents the headset Anti-jamming Bluetooth headset capabilities. Bluetooth version is different, related to the quality of the received signal. More emphasis on the new version to overcome noise interference. The new version can be backward compatible, consumers should choose to measure the price and demand.


shape

In addition to functional considerations, the appearance of Bluetooth headset shape and wearing comfort is also the key consumers must pay attention to when choosing. Each face shape is different, the user before trying to buy a try to wear comfort, and then shot to buy.