Sodapop Portable Wireless Speaker Uses Plastic Bottle to Increase Its Volume

Sodapop Portable Wireless Speaker Uses Plastic Bottle to Increase Its Volume

Utilizing plastic bottle and air inside it, Sodapop Portable Bluetooth Speaker can increase its sound volume in bass range up to 10dB. This innovative speaker aims to solve main problem for small portable loudspeakers that usually struggle to reproduce low frequency bass. All you need is a simple plastic bottle (or its carrying case) and […]

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