Although bluetooth speakers are 100% compatible with existing bluetooth devices, check to see if your playback device supports bluetooth.
The transmission distance of bluetooth speaker is also a concern. The transmission distance of the bluetooth speaker is not related to the bluetooth version, depending on the advanced degree of the technology. The standard transmission distance of PowerClass2 is 10 meters; The upgraded PowerClass1 will lift the transmission distance to 100 meters and provide hi-fi stereo effect. In general, the distance between the phone and the bluetooth speaker is not too far away, and the distance between the two is about 10 meters. All the bluetooth speakers in the market reach the 10-meter standard.
When consumers purchase a Bluetooth speakers, often can see Bluetooth 1.1, 1.2, 2.0, 2.1, 3.0, 4.0, such as Numbers, these Numbers represent the version is different, also represents the Bluetooth speakers anti-jamming ability. In 2012, 2.0 was the most common, 3.0 was the new mainstream, 4.0 was just launched. The bluetooth version is different, it's about the quality of the receiving signal. The new version emphasizes the ability to overcome clutter. The new version is all compatible with downward compatibility, and consumers should measure price and demand when they choose.
The bluetooth digital speaker is equipped with a built-in battery, which makes it truly wireless. The good and bad of the built-in battery determines the playback time and service life of the bluetooth digital speaker. Please ask the actual playback time and repeated charge attenuation before purchase. It is recommended that the consumer choose the polymer lithium battery as far as possible when choosing bluetooth speaker.
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