2-Original BT - 130A bluetooth speaker classic, using a new manufacturing process - echo tube technology, with a number of independent research and development patent, has the following features: 1. Small size, high power, than the market size speakers with a 1/3 volume; 2. The 3D sound effect of the dual sound channel will allow you to enjoy the stereo surround sound at home. The combination of the two boxes can be connected together or separately connected separately.
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