This is an electric toothbrush from Oral-B. This model comes with a rechargeable battery and it charges smoothly in its charging station.
From Amazon
Oral-B Genius X 2x Electric Toothbrushes with Artificial Intelligence, App Connected Handles, 2 Toothbrush Heads & Travel Case, 6 Mode Display with Teeth Whitening 2 Pin UK Plug Black & Rose Gold
The Range
Oral-B Genius X Electric Toothbrushes Duo Pack - Black and Rose Gold