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AC/DC oxygen pump, using copper movement, built-in superior lithium battery. With a small size, low noise, large air volume, long-lasting for use. Constant voltage/current charging, over charge and…
AC/DC oxygen pump, using copper movement, built-in superior lithium battery. With a small size, low noise, large air volume, long-lasting for use. Constant voltage/current charging, over charge and over discharge protection, low battery alarm.
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