Mijia Sound Waves Smart Toothbrush supports wireless charging and packs a 1000mAh battery that Xiaomi claims lasts up to 25 days and takes 16 hours to charge fully. Being a ‘smart’ product, various aspects of the toothbrush can be controlled via its smartphone companion using Bluetooth.
The toothbrush makes use of a magnetic levitation acoustic wave motor with swing speeds of up to 37,200 times per minute. Stating the obvious, the toothbrush is waterproof and is IPX7-certified. The electric base of the electric toothbrush is designed with three 120 ° directions that can be inserted into the limit.
After brushing the teeth can be free to put the toothbrush on the charging base, even if the deviation or instability in the situation do not have to worry about, toothbrush can automatically return to the charging base.
Source: Xiaomi Global Community