It is a third-party product, not manufactured by Nintendo, but its quality will meet your requirements.
If you are looking for a switch pro controller for Nintendo, this will be your best choice.
Includes 4 LED indicators to indicate the connect inport(player number) and the battery low power status.
Sleep Function,automatic POWER OFF.
600mAh rechargeable battery pack,it is charged using thetype-c piug in the controller.
Specifications:
Available distance: ≤8m
Charging time: 2-3h
Operating time: about 20h
Package List:
1 x Wireless Pro Controller for Nintendo Switch
1 x 1.2M Charging Cable.
1 x User Manual