Since October 2021, the charging pedestal that accompanies any new 4100 (or 1100, 2100, or 3100 series brush from Philips Sonicare) has only a USB plug and not a standard, two-prong plug. A spokesperson for Philips Sonicare said that this change stems from the company’s effort to reduce waste and the amount of plastic used… Continue reading Amazon Oral-B sale up to $80 off smart brushes, brush head replacements, more from $12