Concatenation formula bluetooth sound and audio playback apparatuses

The utility model relates to a bluetooth sound provides a concatenation formula bluetooth sound, including two at least stereo set units, still include two at least bluetooth units, each stereo set unit is all including the casing that has the sound chamber, place corresponding casing in the bluetooth unit in, and can dismantle the connection between each casing, still provide an audio playback apparatuses, including above -mentioned bluetooth sound. The utility model discloses an among the bluetooth sound, including two at least stereo set units, each stereo set unit all can provide the source bluetooth with the audio frequency alone and be connected, wholly can be a whole through wireless series connection technique combination simultaneously, the user can select one of them stereo set unit or a plurality of stereo set units as required, and then realization bluetooth sound power in a big way, the selection of audio frequency and stereo set, the selectivity is very strong, the user experience effect is bett