Bluetooth speaker points of choose and buy

by:HTong      2020-08-28
Compatibility

although the bluetooth speakers compatibility basic 100% support existing bluetooth devices, but I still want to buy before find out whether their broadcast equipment support bluetooth.

bluetooth chip brand

bluetooth module and the advantages and disadvantages of the market in 2013 is introduced.

1) CSR:( The UK) Advantages:

the best bluetooth module, playback and microphone sound quality is the best market at present, the basic compatible with all bluetooth devices.

disadvantages: does not support radio card functions such as

2) Gen jie: ( Taiwan)

advantages: good quality, with voice prompt, support functions such as card radio

disadvantages: microphone effect is not ideal, compatibility.

3) Broadcom ( Shanghai broadcom)

advantages: low price, the same card and support radio

disadvantages: quality general

4) Build glory ( )

advantages: cheap, powerful

disadvantages: compatibility, receiving distance short

5) The OVC

advantages: low prices, quality, feature rich

disadvantages: call effect is poor, scalability, versatility.

6) Yu hundred electronic

advantages: low prices, quality is mellow, rich. The new brand has just come out of the product will be compared to.

disadvantages: at present not the coinsurance, sold only in jingdong and Tmall

travel

bluetooth speakers transmission distance is also a issue for us. Bluetooth speakers transmission distance has nothing to do with the bluetooth version, mainly depends on the degree of advanced technology. PowerClass2 standard transmission distance of 10 meters; While upgrading PowerClass1 will increase transmission distance to 100 meters, and to provide Hi Fi stereo effect. In general, the mobile phone with bluetooth speaker distance not too far, the transmission distance of the safe is about 10 meters. Bluetooth speakers are up to 10 meters standard market. Version

when consumer purchasing Bluetooth speakers, often can see Bluetooth 1. 1 and 1. 2, 2. 0, 2. 1, 3. 0, 4. 0 such as Numbers, these Numbers represent a different version, but also represents the bluetooth speakers anti-jamming ability. In 2012 to 2. Most common, 3, 0. 0 is the new mainstream, 4. 0 is just launched soon. Bluetooth version, affects the quality of the received signal. The new version is more of an emphasis on noise interference can be overcome. The new version can be backward compatibility, when consumer choose and buy should measure prices and demand.

the built-in battery

bluetooth digital speakers are built-in battery, do the real wireless. Built-in battery is good or bad directly determines the bluetooth digital sound playback time and service life. Please ask carefully before buying the actual playing time and the number of repeated charge attenuation. Suggest that consumers choose as far as possible when the bluetooth bluetooth speakers choose polymer lithium battery, no explosion danger.

the battery type:

1) Polymer battery:

advantages: safety and efficiency, soft package no explosion hazard.

faults: manifolds of species, pure cobalt ( Good) And pure manganese ( Poor) Polymer battery price difference a few times.

2) 18650 battery

advantage: with excellent performance, charge and discharge can reach the quality level ( More for laptop batteries) , explosion protection

disadvantages: teardown and old batteries more battery. The same 18650 battery 5 - good and bad price difference 10 times

3) Aluminum shell battery

advantage: the price is very cheap

disadvantages: poor performance. No explosion protection measures, an explosion consequences.

battery protection board:

1) Less known and inferior brand battery of battery protection board, charge and discharge protection do not stable easy to damage the batteries and electronic devices.

2) Unstable current output not only affect the sound quality, and will cause a lot of current sound.

good quality battery charge and discharge after 500 times also can reach 80% of the initial capacity. Poor quality of the battery charge and discharge the amounted to less than 50% of the initial capacity even after 100 times.


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