Hidden Speaker

We like it when products combine multiple ideas into one — so integrating a speaker into a giant volume knob is pretty much the best thing we've ever seen. Okay, so maybe it's not that amazing, but the Hidden Speaker ($120) is pretty damn cool. Powered by rechargeable internal batteries offering over 30 hours of play time, it uses Bluetooth for wireless streaming audio support, and also offers a built-in AM/FM radio, and a 3.5mm input for technologically challenged audio sources.

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