Bluetooth Speaker ，Music on Cup,Mug Speaker,Cup Cover Music,Bottle Cap Music

【Uniqueness】Personalized matching of the rear sound chamber of the speaker, the sound chamber of different materials and sizes will produce different sound effects, which can be freely matched with home ones such as cups and jars to achieve different sound effects,music on cup,cup cover music,bottle cap music ,mug speaker
【Beautiful】Beautiful with different vases or cups, can be used as decorations
【tone and clarity】The space and material of the container ensure that you have enough rear sound cavity
【loud volume】 10W high power 5 hours standby
【Fit size】Suitable for containers of 6Cm-12CM diameter

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