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I have the same it is less than they advertise
Sorry, there was a problem. Please try again later.I have found that the louder you play them, the shorter the batteries last. So I would imagine the 16 hours would be close proximity low volume.
Sorry, there was a problem. Please try again later.I'v e had mine only a short time but if you are blasting the paint off the walls that takes a lot of power.
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