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S1815 speakers still lasted a speaker series features: waterproof, high sensitivity, reasonable price.
S1815音箱仍然延续了个音箱系列特点：防水、高灵敏度、合理的价格。
youdao
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S1815 speakers still lasted a speaker series features: waterproof, high sensitivity, reasonable price.
S1815音箱仍然延续了个音箱系列特点：防水、高灵敏度、合理的价格。
youdao