Oral-B iO9 Electric Toothbrush Battery Died in Less Than 10 Months
I bought the Oral-B iO9 electric toothbrush just last November, and now, less than 10 months later, the battery is faili...ng. After a full charge, it only lasts for 3-4 uses before dying suddenly while brushing. This is incredibly disappointing for a product advertised as the latest technology. In fac