Set Of Two Replacement Batteries For Sleepguard Biofeedback Headband
Set of two replement CR2032 batteries for the SleepGuard biofeedback headband. 1 set of batteries typically lasts much more than 30 nights use. Keep a spare set on hand!
Batteries, Biofeedback, Sleepguard, Headband, Spare, Hand, Replacement, Nights, Lasts
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