The teeth brushing got a lot easier with the Xiaomi Mijia Sonic Electric Toothbrush T500. Traditionally, the toothbrush is equipped with IPX7 waterproofing. This characteristic allows you to use the device without worrying that contact with water will wreck it. The brush with a plastic body has a battery that can support the autonomous operation of the device for 18 days. It takes 12 hours to charge the battery.