IPX7
YES
YES
K1686DP
For home use or travel
Sonic Inductive Charging
Yes
3 Weeks or around
The intelligent toothbrush in the market normally is with a display and connecting to the APP on the mobile phone by Bluetooth which can provide more timely feedback and direction. While as surveyed, the APP check rate is only 3% in the 1st week and drop to 1% in the 2nd week only.
Reasons as we surveyed:
To balance brushing cleaner and brushing easier, while also to keep the brush premium,we think a power toothbrush with display only(without APP and Bluetooth) would be a good solution which also helps on battery lasing and cost reduction.
Reasons as we studied:
The improvement we have done comparing to intelligent sonic toothbrush with display in the market :