You can attach "Joy-Con (L)"
and "Joy-Con (R)"
and use it as a grip type controller.
Unlike the "Joy-Con grip"
that comes with the Nintendo Switch main unit set, you can also charge the "Joy-Con"
while playing using the included USB charging cable or Nintendo Switch AC adapter, so you are worried about running out of battery. there is not.
"Joy-Con"
is not included with this product.
To use it with Nintendo Switch Lite, you need to prepare Joy-Con separately.
Edition: No benefits Product specifications [Set contents] Joy-Con Charging Grip USB Charging Cable Model: HAC-A-ESSKA

GROUP: Nintendo Switch Joy-Con