Identifying a Speaker

Mar 13, 2018
I recently bought an iPhone dock at al local thrift store made by Centrios, called a Black Twister. It has 4 speakers and is round, however, it has two AAA batteries in it, but no apparent use for them. Doesn't work without being plugged in, and the only other thing I could think of was to keep the time when unplugged, but that doesn't happen either. Any ideas? There's nothing online about this speaker that I can find.
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