Sleepbuds II with Alarm
2021-9-29u2002·u2002Sleepbuds™ II use nickel-metal hydride (NiMH) battery technology, which has a 30-year history of use in both consumer and medical products. The earbuds have battery life of up to 10 hours. Although less than the 16 hours of the original noise-masking sleepbuds™, this …
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