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The compatibility of bluetooth headphone

When consumers purchase bluetooth products,often encounter the problem how to select Bluetooth version.Different bluetooth versions,relating to the reception quality of the signal.The new version is more emphasize overcome noise interference.And all the latest versions of Bluetooth are all designed to be backward compatible with previous versions.

Bluetooth 2.0 and 1.1 version can be freely connected,the compatibility of bluetooth 3.0 is more stronger,it is a relatively mature technology.The Bluetooth version 4.0 is high version compatible with low version.And battery life is also increased because the progress of technology.